102020112110 has 32 divisors (see below), whose sum is σ = 210169432512. Its totient is φ = 34928409600.

The previous prime is 102020112109. The next prime is 102020112149. The reversal of 102020112110 is 11211020201.

It is a junction number, because it is equal to n+sod(n) for n = 102020112091 and 102020112100.

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, 990467 + ... + 1088606.

It is an arithmetic number, because the mean of its divisors is an integer number (6567794766).

Almost surely, 2^102020112110 is an apocalyptic number.

102020112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020112110 is an abundant number, since it is smaller than the sum of its proper divisors (108149320402).

102020112110 is a wasteful number, since it uses less digits than its factorization.

102020112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079788.

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

Adding to 102020112110 its reverse (11211020201), we get a palindrome (113231132311).

The spelling of 102020112110 in words is "one hundred two billion, twenty million, one hundred twelve thousand, one hundred ten".