100021120211020 has 96 divisors (see below), whose sum is σ = 216921535488000. Its totient is φ = 38719978017024.

The previous prime is 100021120210997. The next prime is 100021120211039. The reversal of 100021120211020 is 20112021120001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29632191 + ... + 32834569.

It is an arithmetic number, because the mean of its divisors is an integer number (2259599328000).

Almost surely, 2^{100021120211020} is an apocalyptic number.

100021120211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100021120211020 is an abundant number, since it is smaller than the sum of its proper divisors (116900415276980).

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

100021120211020 is a wasteful number, since it uses less digits than its factorization.

100021120211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202807 (or 3202805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100021120211020 its reverse (20112021120001), we get a palindrome (120133141331021).

The spelling of 100021120211020 in words is "one hundred trillion, twenty-one billion, one hundred twenty million, two hundred eleven thousand, twenty".