102001110102020 has 96 divisors (see below), whose sum is σ = 217002558947328. Its totient is φ = 40270797931392.

The previous prime is 102001110102019. The next prime is 102001110102029. The reversal of 102001110102020 is 20201011100201.

It is a junction number, because it is equal to n+sod(n) for n = 102001110101992 and 102001110102010.

It is not an unprimeable number, because it can be changed into a prime (102001110102029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496236107 + ... + 496441613.

It is an arithmetic number, because the mean of its divisors is an integer number (2260443322368).

Almost surely, 2^{102001110102020} is an apocalyptic number.

102001110102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001110102020 is an abundant number, since it is smaller than the sum of its proper divisors (115001448845308).

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

102001110102020 is a wasteful number, since it uses less digits than its factorization.

102001110102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206649 (or 206647 counting only the distinct ones).

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

Adding to 102001110102020 its reverse (20201011100201), we get a palindrome (122202121202221).

The spelling of 102001110102020 in words is "one hundred two trillion, one billion, one hundred ten million, one hundred two thousand, twenty".