22101120012112 has 20 divisors (see below), whose sum is σ = 42821049196096. Its totient is φ = 11050526671200.

The previous prime is 22101120012043. The next prime is 22101120012149. The reversal of 22101120012112 is 21121002110122.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3908563 + ... + 7712269.

Almost surely, 2^{22101120012112} is an apocalyptic number.

It is an amenable number.

22101120012112 is a deficient number, since it is larger than the sum of its proper divisors (20719929183984).

22101120012112 is a wasteful number, since it uses less digits than its factorization.

22101120012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166866 (or 4166860 counting only the distinct ones).

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

Adding to 22101120012112 its reverse (21121002110122), we get a palindrome (43222122122234).

The spelling of 22101120012112 in words is "twenty-two trillion, one hundred one billion, one hundred twenty million, twelve thousand, one hundred twelve".