2102220120112 has 20 divisors (see below), whose sum is σ = 4654915980496. Its totient is φ = 900951480000.

The previous prime is 2102220120107. The next prime is 2102220120191. The reversal of 2102220120112 is 2110210222012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 9384911139 + ... + 9384911362.

Almost surely, 2^{2102220120112} is an apocalyptic number.

It is an amenable number.

2102220120112 is an abundant number, since it is smaller than the sum of its proper divisors (2552695860384).

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

2102220120112 is a wasteful number, since it uses less digits than its factorization.

2102220120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18769822516 (or 18769822510 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102220120112 its reverse (2110210222012), we get a palindrome (4212430342124).

The spelling of 2102220120112 in words is "two trillion, one hundred two billion, two hundred twenty million, one hundred twenty thousand, one hundred twelve".