112021220131 has 8 divisors (see below), whose sum is σ = 114139988784. Its totient is φ = 109902642720.

The previous prime is 112021220099. The next prime is 112021220141. The reversal of 112021220131 is 131022120211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112021220131 - 2⁵ = 112021220099 is a prime.

It is a super-2 number, since 2×112021220131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112021220141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811716 + ... + 1872526.

It is an arithmetic number, because the mean of its divisors is an integer number (14267498598).

Almost surely, 2^112021220131 is an apocalyptic number.

112021220131 is a deficient number, since it is larger than the sum of its proper divisors (2118768653).

112021220131 is an equidigital number, since it uses as much as digits as its factorization.

112021220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95621.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112021220131 its reverse (131022120211), we get a palindrome (243043340342).

The spelling of 112021220131 in words is "one hundred twelve billion, twenty-one million, two hundred twenty thousand, one hundred thirty-one".