102020111020110 has 64 divisors (see below), whose sum is σ = 248152482114624. Its totient is φ = 26840145024000.

The previous prime is 102020111020081. The next prime is 102020111020133. The reversal of 102020111020110 is 11020111020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59059609 + ... + 60762468.

It is an arithmetic number, because the mean of its divisors is an integer number (3877382533041).

Almost surely, 2^{102020111020110} is an apocalyptic number.

102020111020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020111020110 is an abundant number, since it is smaller than the sum of its proper divisors (146132371094514).

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

102020111020110 is a wasteful number, since it uses less digits than its factorization.

102020111020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119822469.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102020111020110 its reverse (11020111020201), we get a palindrome (113040222040311).

Subtracting from 102020111020110 its reverse (11020111020201), we obtain a palindrome (90999999999909).

The spelling of 102020111020110 in words is "one hundred two trillion, twenty billion, one hundred eleven million, twenty thousand, one hundred ten".