112200131021 has 4 divisors (see below), whose sum is σ = 122400142944. Its totient is φ = 102000119100.

The previous prime is 112200131003. The next prime is 112200131063. The reversal of 112200131021 is 120131002211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-112200131021 is a prime.

It is a super-2 number, since 2×112200131021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112200130987 and 112200131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200131221) 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 3 ways as a sum of consecutive naturals, for example, 5100005945 + ... + 5100005966.

It is an arithmetic number, because the mean of its divisors is an integer number (30600035736).

Almost surely, 2^112200131021 is an apocalyptic number.

112200131021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112200131021 is a deficient number, since it is larger than the sum of its proper divisors (10200011923).

112200131021 is a wasteful number, since it uses less digits than its factorization.

112200131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10200011922.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 112200131021 its reverse (120131002211), we get a palindrome (232331133232).

The spelling of 112200131021 in words is "one hundred twelve billion, two hundred million, one hundred thirty-one thousand, twenty-one".