1331021113000 has 64 divisors (see below), whose sum is σ = 3115150758720. Its totient is φ = 532312488000.

The previous prime is 1331021112997. The next prime is 1331021113027. The reversal of 1331021113000 is 3111201331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5565895 + ... + 5800105.

It is an arithmetic number, because the mean of its divisors is an integer number (48674230605).

Almost surely, 2^{1331021113000} is an apocalyptic number.

1331021113000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331021113000 is an abundant number, since it is smaller than the sum of its proper divisors (1784129645720).

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

1331021113000 is a wasteful number, since it uses less digits than its factorization.

1331021113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239915 (or 239901 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1331021113000 its reverse (3111201331), we get a palindrome (1334132314331).

The spelling of 1331021113000 in words is "one trillion, three hundred thirty-one billion, twenty-one million, one hundred thirteen thousand".