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201112122012201 = 3343173223188641
BaseRepresentation
bin101101101110100100010000…
…100101111011001000101001
3222101002010112120101211221000
4231232210100211323020221
5202330010111213342301
61551421344451505213
760234604602410511
oct5556442045731051
9871063476354830
10201112122012201
1159098198991544
121a680a628b8209
13882aa3a57b72a
143793c42dca841
15183b5c3d62786
hexb6e91097b229

201112122012201 has 16 divisors (see below), whose sum is σ = 304872812009920. Its totient is φ = 130956730611840.

The previous prime is 201112122012181. The next prime is 201112122012227. The reversal of 201112122012201 is 102210221211102.

201112122012201 is a `hidden beast` number, since 20 + 1 + 11 + 212 + 201 + 220 + 1 = 666.

It is not a de Polignac number, because 201112122012201 - 214 = 201112121995817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201112122012251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86611593160 + ... + 86611595481.

It is an arithmetic number, because the mean of its divisors is an integer number (19054550750620).

Almost surely, 2201112122012201 is an apocalyptic number.

It is an amenable number.

201112122012201 is a deficient number, since it is larger than the sum of its proper divisors (103760689997719).

201112122012201 is a wasteful number, since it uses less digits than its factorization.

201112122012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173223188693 (or 173223188687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201112122012201 its reverse (102210221211102), we get a palindrome (303322343223303).

The spelling of 201112122012201 in words is "two hundred one trillion, one hundred twelve billion, one hundred twenty-two million, twelve thousand, two hundred one".

Divisors: 1 3 9 27 43 129 387 1161 173223188641 519669565923 1559008697769 4677026093307 7448597111563 22345791334689 67037374004067 201112122012201