113011321011020 has 24 divisors (see below), whose sum is σ = 237324565774800. Its totient is φ = 45204377613632.

The previous prime is 113011321010977. The next prime is 113011321011023. The reversal of 113011321011020 is 20110123110311.

It is a super-2 number, since 2×113011321011020² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113011321011020.

It is not an unprimeable number, because it can be changed into a prime (113011321011023) 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, 3177890 + ... + 15366249.

It is an arithmetic number, because the mean of its divisors is an integer number (9888523573950).

Almost surely, 2^{113011321011020} is an apocalyptic number.

113011321011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113011321011020 is an abundant number, since it is smaller than the sum of its proper divisors (124313244763780).

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

113011321011020 is a wasteful number, since it uses less digits than its factorization.

113011321011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18848857 (or 18848855 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 113011321011020 its reverse (20110123110311), we get a palindrome (133121444121331).

The spelling of 113011321011020 in words is "one hundred thirteen trillion, eleven billion, three hundred twenty-one million, eleven thousand, twenty".