112566136221 has 48 divisors (see below), whose sum is σ = 203027760000. Its totient is φ = 58386130560.

The previous prime is 112566136213. The next prime is 112566136229. The reversal of 112566136221 is 122631665211.

112566136221 is a `hidden beast` number, since 1 + 1 + 2 + 566 + 13 + 62 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (112566136213) and next prime (112566136229).

It is not a de Polignac number, because 112566136221 - 2³ = 112566136213 is a prime.

It is a super-2 number, since 2×112566136221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112566136229) 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 47 ways as a sum of consecutive naturals, for example, 328155 + ... + 576903.

It is an arithmetic number, because the mean of its divisors is an integer number (4229745000).

Almost surely, 2^112566136221 is an apocalyptic number.

112566136221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112566136221 is a deficient number, since it is larger than the sum of its proper divisors (90461623779).

112566136221 is a wasteful number, since it uses less digits than its factorization.

112566136221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249426 (or 249423 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The spelling of 112566136221 in words is "one hundred twelve billion, five hundred sixty-six million, one hundred thirty-six thousand, two hundred twenty-one".