102120100112 has 10 divisors (see below), whose sum is σ = 197857693998. Its totient is φ = 51060050048.

The previous prime is 102120100067. The next prime is 102120100151. The reversal of 102120100112 is 211001021201.

It can be written as a sum of positive squares in only one way, i.e., 85617100816 + 16502999296 = 292604^2 + 128464^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102120100093 and 102120100102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191253113 + ... + 3191253144.

Almost surely, 2^102120100112 is an apocalyptic number.

It is an amenable number.

102120100112 is a deficient number, since it is larger than the sum of its proper divisors (95737593886).

102120100112 is an equidigital number, since it uses as much as digits as its factorization.

102120100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382506265 (or 6382506259 counting only the distinct ones).

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

Adding to 102120100112 its reverse (211001021201), we get a palindrome (313121121313).

The spelling of 102120100112 in words is "one hundred two billion, one hundred twenty million, one hundred thousand, one hundred twelve".