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1102112201 = 2938003869
BaseRepresentation
bin100000110110000…
…1110010111001001
32211210211002201102
41001230032113021
54224120042301
6301210031145
736211541051
oct10154162711
92753732642
101102112201
11516128233
122691184b5
131474401c8
14a652c561
1566b51b6b
hex41b0e5c9

1102112201 has 4 divisors (see below), whose sum is σ = 1140116100. Its totient is φ = 1064108304.

The previous prime is 1102112177. The next prime is 1102112213. The reversal of 1102112201 is 1022112011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1022112011 = 1953795369.

It can be written as a sum of positive squares in 2 ways, for example, as 255360400 + 846751801 = 15980^2 + 29099^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102112201 - 210 = 1102111177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102112251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19001906 + ... + 19001963.

It is an arithmetic number, because the mean of its divisors is an integer number (285029025).

Almost surely, 21102112201 is an apocalyptic number.

It is an amenable number.

1102112201 is a deficient number, since it is larger than the sum of its proper divisors (38003899).

1102112201 is an equidigital number, since it uses as much as digits as its factorization.

1102112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38003898.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1102112201 is about 33198.0752604726. The cubic root of 1102112201 is about 1032.9404151536.

Adding to 1102112201 its reverse (1022112011), we get a palindrome (2124224212).

The spelling of 1102112201 in words is "one billion, one hundred two million, one hundred twelve thousand, two hundred one".

Divisors: 1 29 38003869 1102112201