1013112311100 has 72 divisors (see below), whose sum is σ = 2931378265200. Its totient is φ = 270153454080.

The previous prime is 1013112311069. The next prime is 1013112311111. The reversal of 1013112311100 is 11132113101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1013112311100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12413226 + ... + 12494574.

Almost surely, 2^{1013112311100} is an apocalyptic number.

1013112311100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013112311100 is an abundant number, since it is smaller than the sum of its proper divisors (1918265954100).

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

1013112311100 is a wasteful number, since it uses less digits than its factorization.

1013112311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122879 (or 122872 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1013112311100 its reverse (11132113101), we get a palindrome (1024244424201).

The spelling of 1013112311100 in words is "one trillion, thirteen billion, one hundred twelve million, three hundred eleven thousand, one hundred".