2120102100112 has 10 divisors (see below), whose sum is σ = 4107697818998. Its totient is φ = 1060051050048.

The previous prime is 2120102100037. The next prime is 2120102100167. The reversal of 2120102100112 is 2110012010212.

It can be written as a sum of positive squares in only one way, i.e., 2098279719936 + 21822380176 = 1448544^2 + 147724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2120102100092 and 2120102100101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66253190613 + ... + 66253190644.

Almost surely, 2^{2120102100112} is an apocalyptic number.

It is an amenable number.

2120102100112 is a deficient number, since it is larger than the sum of its proper divisors (1987595718886).

2120102100112 is a wasteful number, since it uses less digits than its factorization.

2120102100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132506381265 (or 132506381259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2120102100112 its reverse (2110012010212), we get a palindrome (4230114110324).

The spelling of 2120102100112 in words is "two trillion, one hundred twenty billion, one hundred two million, one hundred thousand, one hundred twelve".