102100002200 has 96 divisors (see below), whose sum is σ = 275115605760. Its totient is φ = 34512643200.

The previous prime is 102100002181. The next prime is 102100002217. The reversal of 102100002200 is 2200001201.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414182 + ... + 612981.

It is an arithmetic number, because the mean of its divisors is an integer number (2865787560).

Almost surely, 2^102100002200 is an apocalyptic number.

102100002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100002200 is an abundant number, since it is smaller than the sum of its proper divisors (173015603560).

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

102100002200 is a wasteful number, since it uses less digits than its factorization.

102100002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027257 (or 1027248 counting only the distinct ones).

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

Adding to 102100002200 its reverse (2200001201), we get a palindrome (104300003401).

Subtracting from 102100002200 its reverse (2200001201), we obtain a palindrome (99900000999).

The spelling of 102100002200 in words is "one hundred two billion, one hundred million, two thousand, two hundred".