102120220110 has 64 divisors (see below), whose sum is σ = 255840145920. Its totient is φ = 26038320000.

The previous prime is 102120220093. The next prime is 102120220207. The reversal of 102120220110 is 11022021201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1918860 + ... + 1971360.

It is an arithmetic number, because the mean of its divisors is an integer number (3997502280).

Almost surely, 2^102120220110 is an apocalyptic number.

102120220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120220110 is an abundant number, since it is smaller than the sum of its proper divisors (153719925810).

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

102120220110 is a wasteful number, since it uses less digits than its factorization.

102120220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55353.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102120220110 its reverse (11022021201), we get a palindrome (113142241311).

The spelling of 102120220110 in words is "one hundred two billion, one hundred twenty million, two hundred twenty thousand, one hundred ten".