102110112020 has 24 divisors (see below), whose sum is σ = 245064269184. Its totient is φ = 35009181216.

The previous prime is 102110112007. The next prime is 102110112061. The reversal of 102110112020 is 20211011201.

It is a junction number, because it is equal to n+sod(n) for n = 102110111992 and 102110112010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364678832 + ... + 364679111.

It is an arithmetic number, because the mean of its divisors is an integer number (10211011216).

Almost surely, 2^102110112020 is an apocalyptic number.

102110112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110112020 is an abundant number, since it is smaller than the sum of its proper divisors (142954157164).

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

102110112020 is a wasteful number, since it uses less digits than its factorization.

102110112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729357959 (or 729357957 counting only the distinct ones).

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

Adding to 102110112020 its reverse (20211011201), we get a palindrome (122321123221).

The spelling of 102110112020 in words is "one hundred two billion, one hundred ten million, one hundred twelve thousand, twenty".