113112223123021 has 16 divisors (see below), whose sum is σ = 118139428828800. Its totient is φ = 108188744102208.

The previous prime is 113112223123007. The next prime is 113112223123043. The reversal of 113112223123021 is 120321322211311.

It is a cyclic number.

It is not a de Polignac number, because 113112223123021 - 2³¹ = 113110075639373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112223127021) 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, 315130971 + ... + 315489703.

It is an arithmetic number, because the mean of its divisors is an integer number (7383714301800).

Almost surely, 2^{113112223123021} is an apocalyptic number.

It is an amenable number.

113112223123021 is a deficient number, since it is larger than the sum of its proper divisors (5027205705779).

113112223123021 is a wasteful number, since it uses less digits than its factorization.

113112223123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503268.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 113112223123021 its reverse (120321322211311), we get a palindrome (233433545334332).

The spelling of 113112223123021 in words is "one hundred thirteen trillion, one hundred twelve billion, two hundred twenty-three million, one hundred twenty-three thousand, twenty-one".