2021112013100 has 72 divisors (see below), whose sum is σ = 4399537422000. Its totient is φ = 805916217600.

The previous prime is 2021112013093. The next prime is 2021112013121. The reversal of 2021112013100 is 13102111202.

It is a super-2 number, since 2×2021112013100² (a number of 25 digits) contains 22 as substring.

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, 252288095 + ... + 252296105.

Almost surely, 2^{2021112013100} is an apocalyptic number.

2021112013100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021112013100 is an abundant number, since it is smaller than the sum of its proper divisors (2378425408900).

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

2021112013100 is a wasteful number, since it uses less digits than its factorization.

2021112013100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15603 (or 15596 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2021112013100 its reverse (13102111202), we get a palindrome (2034214124302).

The spelling of 2021112013100 in words is "two trillion, twenty-one billion, one hundred twelve million, thirteen thousand, one hundred".