113133001020 has 48 divisors (see below), whose sum is σ = 341139513120. Its totient is φ = 27848123136.

The previous prime is 113133001019. The next prime is 113133001027. The reversal of 113133001020 is 20100331311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113133001027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72520375 + ... + 72521934.

It is an arithmetic number, because the mean of its divisors is an integer number (7107073190).

Almost surely, 2^113133001020 is an apocalyptic number.

113133001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113133001020 is an abundant number, since it is smaller than the sum of its proper divisors (228006512100).

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

113133001020 is a wasteful number, since it uses less digits than its factorization.

113133001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145042334 (or 145042332 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 113133001020 its reverse (20100331311), we get a palindrome (133233332331).

The spelling of 113133001020 in words is "one hundred thirteen billion, one hundred thirty-three million, one thousand, twenty".