102101200110 has 128 divisors (see below), whose sum is σ = 335101455360. Its totient is φ = 21542226048.

The previous prime is 102101200109. The next prime is 102101200141. The reversal of 102101200110 is 11002101201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102101200092 and 102101200101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2053192 + ... + 2102331.

It is an arithmetic number, because the mean of its divisors is an integer number (2617980120).

Almost surely, 2^102101200110 is an apocalyptic number.

102101200110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101200110 is an abundant number, since it is smaller than the sum of its proper divisors (233000255250).

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

102101200110 is a wasteful number, since it uses less digits than its factorization.

102101200110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155559 (or 4155553 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102101200110 its reverse (11002101201), we get a palindrome (113103301311).

The spelling of 102101200110 in words is "one hundred two billion, one hundred one million, two hundred thousand, one hundred ten".