102102011112020 has 48 divisors (see below), whose sum is σ = 215871073114368. Its totient is φ = 40563401702400.

The previous prime is 102102011112001. The next prime is 102102011112047. The reversal of 102102011112020 is 20211110201201.

It is a junction number, because it is equal to n+sod(n) for n = 102102011111986 and 102102011112004.

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, 14801969 + ... + 20574311.

It is an arithmetic number, because the mean of its divisors is an integer number (4497314023216).

Almost surely, 2^{102102011112020} is an apocalyptic number.

102102011112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102102011112020 is an abundant number, since it is smaller than the sum of its proper divisors (113769062002348).

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

102102011112020 is a wasteful number, since it uses less digits than its factorization.

102102011112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778360 (or 5778358 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102102011112020 its reverse (20211110201201), we get a palindrome (122313121313221).

The spelling of 102102011112020 in words is "one hundred two trillion, one hundred two billion, eleven million, one hundred twelve thousand, twenty".