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112202220021 = 3371788156531
BaseRepresentation
bin110100001111111000…
…1100000000111110101
3101201121120021100022120
41220133301200013311
53314242232020041
6123313414550153
711051322063663
oct1503761400765
9351546240276
10112202220021
1143648256661
12198b4368359
13a771827b88
14560587bc33
152dba602366
hex1a1fc601f5

112202220021 has 16 divisors (see below), whose sum is σ = 153657594048. Its totient is φ = 72774460800.

The previous prime is 112202219999. The next prime is 112202220061. The reversal of 112202220021 is 120022202211.

It is not a de Polignac number, because 112202220021 - 26 = 112202219957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112202220061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956526 + ... + 2013056.

It is an arithmetic number, because the mean of its divisors is an integer number (9603599628).

Almost surely, 2112202220021 is an apocalyptic number.

It is an amenable number.

112202220021 is a deficient number, since it is larger than the sum of its proper divisors (41455374027).

112202220021 is a wasteful number, since it uses less digits than its factorization.

112202220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74452.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 112202220021 its reverse (120022202211), we get a palindrome (232224422232).

The spelling of 112202220021 in words is "one hundred twelve billion, two hundred two million, two hundred twenty thousand, twenty-one".

Divisors: 1 3 37 111 17881 53643 56531 169593 661597 1984791 2091647 6274941 1010830811 3032492433 37400740007 112202220021