2021133233100 has 36 divisors (see below), whose sum is σ = 5847812155304. Its totient is φ = 538968862080.

The previous prime is 2021133233047. The next prime is 2021133233107. The reversal of 2021133233100 is 13323311202.

It is a super-2 number, since 2×2021133233100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021133233107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3368555089 + ... + 3368555688.

Almost surely, 2^{2021133233100} is an apocalyptic number.

2021133233100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021133233100 is an abundant number, since it is smaller than the sum of its proper divisors (3826678922204).

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

2021133233100 is a wasteful number, since it uses less digits than its factorization.

2021133233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737110794 (or 6737110787 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2021133233100 its reverse (13323311202), we get a palindrome (2034456544302).

The spelling of 2021133233100 in words is "two trillion, twenty-one billion, one hundred thirty-three million, two hundred thirty-three thousand, one hundred".