2021032131100 has 18 divisors (see below), whose sum is σ = 4385639724704. Its totient is φ = 808412852400.

The previous prime is 2021032131077. The next prime is 2021032131137. The reversal of 2021032131100 is 11312301202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10105160556 + ... + 10105160755.

Almost surely, 2^{2021032131100} is an apocalyptic number.

2021032131100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021032131100 is an abundant number, since it is smaller than the sum of its proper divisors (2364607593604).

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

2021032131100 is a wasteful number, since it uses less digits than its factorization.

2021032131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20210321325 (or 20210321318 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2021032131100 its reverse (11312301202), we get a palindrome (2032344432302).

The spelling of 2021032131100 in words is "two trillion, twenty-one billion, thirty-two million, one hundred thirty-one thousand, one hundred".