113013112120021 has 8 divisors (see below), whose sum is σ = 117497432916864. Its totient is φ = 108611072438880.

The previous prime is 113013112119997. The next prime is 113013112120039. The reversal of 113013112120021 is 120021211310311.

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 113013112120021 - 2¹⁹ = 113013111595733 is a prime.

It is a super-2 number, since 2×113013112120021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113013122120021) 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, 20570276125 + ... + 20570281618.

It is an arithmetic number, because the mean of its divisors is an integer number (14687179114608).

Almost surely, 2^{113013112120021} is an apocalyptic number.

It is an amenable number.

113013112120021 is a deficient number, since it is larger than the sum of its proper divisors (4484320796843).

113013112120021 is an equidigital number, since it uses as much as digits as its factorization.

113013112120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41140557851.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 113013112120021 its reverse (120021211310311), we get a palindrome (233034323430332).

The spelling of 113013112120021 in words is "one hundred thirteen trillion, thirteen billion, one hundred twelve million, one hundred twenty thousand, twenty-one".