2221110120112 has 40 divisors (see below), whose sum is σ = 4783929503360. Its totient is φ = 992059107840.

The previous prime is 2221110120077. The next prime is 2221110120121. The reversal of 2221110120112 is 2110210111222.

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 7 ways as a sum of consecutive naturals, for example, 172226037 + ... + 172238932.

It is an arithmetic number, because the mean of its divisors is an integer number (119598237584).

Almost surely, 2^{2221110120112} is an apocalyptic number.

It is an amenable number.

2221110120112 is an abundant number, since it is smaller than the sum of its proper divisors (2562819383248).

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

2221110120112 is a wasteful number, since it uses less digits than its factorization.

2221110120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344465021 (or 344465015 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221110120112 its reverse (2110210111222), we get a palindrome (4331320231334).

The spelling of 2221110120112 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, one hundred twelve".