113011121010020 has 12 divisors (see below), whose sum is σ = 237323354121084. Its totient is φ = 45204448404000.

The previous prime is 113011121009971. The next prime is 113011121010023. The reversal of 113011121010020 is 20010121110311.

It can be written as a sum of positive squares in 2 ways, for example, as 81018613069156 + 31992507940864 = 9001034^2 + 5656192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113011121009977 and 113011121010004.

It is not an unprimeable number, because it can be changed into a prime (113011121010023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2825278025231 + ... + 2825278025270.

It is an arithmetic number, because the mean of its divisors is an integer number (19776946176757).

Almost surely, 2^{113011121010020} is an apocalyptic number.

113011121010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113011121010020 is an abundant number, since it is smaller than the sum of its proper divisors (124312233111064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113011121010020 is a wasteful number, since it uses less digits than its factorization.

113011121010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650556050510 (or 5650556050508 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 113011121010020 its reverse (20010121110311), we get a palindrome (133021242120331).

The spelling of 113011121010020 in words is "one hundred thirteen trillion, eleven billion, one hundred twenty-one million, ten thousand, twenty".