102100002112 has 28 divisors (see below), whose sum is σ = 209591064180. Its totient is φ = 49289655296.

The previous prime is 102100002097. The next prime is 102100002133. The reversal of 102100002112 is 211200001201.

It can be written as a sum of positive squares in 2 ways, for example, as 48727913536 + 53372088576 = 220744^2 + 231024^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27503533 + ... + 27507244.

Almost surely, 2^102100002112 is an apocalyptic number.

It is an amenable number.

102100002112 is an abundant number, since it is smaller than the sum of its proper divisors (107491062068).

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

102100002112 is an equidigital number, since it uses as much as digits as its factorization.

102100002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55010818 (or 55010808 counting only the distinct ones).

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

Adding to 102100002112 its reverse (211200001201), we get a palindrome (313300003313).

The spelling of 102100002112 in words is "one hundred two billion, one hundred million, two thousand, one hundred twelve".