112121210321031 has 16 divisors (see below), whose sum is σ = 149568153292800. Its totient is φ = 74710874995680.

The previous prime is 112121210321009. The next prime is 112121210321033. The reversal of 112121210321031 is 130123012121211.

It is not a de Polignac number, because 112121210321031 - 2²³ = 112121201932423 is a prime.

It is a super-2 number, since 2×112121210321031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112121210320989 and 112121210321007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121210321033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99499621 + ... + 100620161.

It is an arithmetic number, because the mean of its divisors is an integer number (9348009580800).

Almost surely, 2^{112121210321031} is an apocalyptic number.

112121210321031 is a deficient number, since it is larger than the sum of its proper divisors (37446942971769).

112121210321031 is a wasteful number, since it uses less digits than its factorization.

112121210321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136846.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 112121210321031 its reverse (130123012121211), we get a palindrome (242244222442242).

The spelling of 112121210321031 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred ten million, three hundred twenty-one thousand, thirty-one".