20210000112100 has 36 divisors (see below), whose sum is σ = 43873096942948. Its totient is φ = 8080793280000.

The previous prime is 20210000112089. The next prime is 20210000112161. The reversal of 20210000112100 is 121100001202.

It can be written as a sum of positive squares in 6 ways, for example, as 7490391712164 + 12719608399936 = 2736858^2 + 3566456^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39831201 + ... + 40335400.

Almost surely, 2^{20210000112100} is an apocalyptic number.

20210000112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210000112100 is an abundant number, since it is smaller than the sum of its proper divisors (23663096830848).

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

20210000112100 is a wasteful number, since it uses less digits than its factorization.

20210000112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80169136 (or 80169129 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20210000112100 its reverse (121100001202), we get a palindrome (20331100113302).

The spelling of 20210000112100 in words is "twenty trillion, two hundred ten billion, one hundred twelve thousand, one hundred".