102101120200 has 48 divisors (see below), whose sum is σ = 237428397360. Its totient is φ = 40833000000.

The previous prime is 102101120189. The next prime is 102101120309. The reversal of 102101120200 is 2021101201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1126575 + ... + 1213825.

It is an arithmetic number, because the mean of its divisors is an integer number (4946424945).

Almost surely, 2^102101120200 is an apocalyptic number.

102101120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101120200 is an abundant number, since it is smaller than the sum of its proper divisors (135327277160).

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

102101120200 is a wasteful number, since it uses less digits than its factorization.

102101120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93118 (or 93109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102101120200 its reverse (2021101201), we get a palindrome (104122221401).

The spelling of 102101120200 in words is "one hundred two billion, one hundred one million, one hundred twenty thousand, two hundred".