102120210110 has 32 divisors (see below), whose sum is σ = 184238042400. Its totient is φ = 40754482560.

The previous prime is 102120210029. The next prime is 102120210113. The reversal of 102120210110 is 11012021201.

It is a junction number, because it is equal to n+sod(n) for n = 102120210091 and 102120210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120210113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9638696 + ... + 9649284.

It is an arithmetic number, because the mean of its divisors is an integer number (5757438825).

Almost surely, 2^102120210110 is an apocalyptic number.

102120210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120210110 is a deficient number, since it is larger than the sum of its proper divisors (82117832290).

102120210110 is a wasteful number, since it uses less digits than its factorization.

102120210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716.

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

Adding to 102120210110 its reverse (11012021201), we get a palindrome (113132231311).

The spelling of 102120210110 in words is "one hundred two billion, one hundred twenty million, two hundred ten thousand, one hundred ten".