112220131021 has 4 divisors (see below), whose sum is σ = 114122167200. Its totient is φ = 110318094844.

The previous prime is 112220131007. The next prime is 112220131031. The reversal of 112220131021 is 120131022211.

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 cyclic number.

It is not a de Polignac number, because 112220131021 - 2⁵ = 112220130989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112220130986 and 112220131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220131031) 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, 951018001 + ... + 951018118.

It is an arithmetic number, because the mean of its divisors is an integer number (28530541800).

Almost surely, 2^112220131021 is an apocalyptic number.

It is an amenable number.

112220131021 is a deficient number, since it is larger than the sum of its proper divisors (1902036179).

112220131021 is an equidigital number, since it uses as much as digits as its factorization.

112220131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902036178.

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

Adding to 112220131021 its reverse (120131022211), we get a palindrome (232351153232).

The spelling of 112220131021 in words is "one hundred twelve billion, two hundred twenty million, one hundred thirty-one thousand, twenty-one".