10002111012020 has 48 divisors (see below), whose sum is σ = 21168229555200. Its totient is φ = 3969679605120.

The previous prime is 10002111012001. The next prime is 10002111012139. The reversal of 10002111012020 is 2021011120001.

It is a junction number, because it is equal to n+sod(n) for n = 10002111011992 and 10002111012010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3561965 + ... + 5717675.

It is an arithmetic number, because the mean of its divisors is an integer number (441004782400).

Almost surely, 2^{10002111012020} is an apocalyptic number.

10002111012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002111012020 is an abundant number, since it is smaller than the sum of its proper divisors (11166118543180).

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

10002111012020 is a wasteful number, since it uses less digits than its factorization.

10002111012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157528 (or 2157526 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10002111012020 its reverse (2021011120001), we get a palindrome (12023122132021).

The spelling of 10002111012020 in words is "ten trillion, two billion, one hundred eleven million, twelve thousand, twenty".