22120110012112 has 20 divisors (see below), whose sum is σ = 48980243598496. Its totient is φ = 9480047148000.

The previous prime is 22120110012107. The next prime is 22120110012137. The reversal of 22120110012112 is 21121001102122.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98750491014 + ... + 98750491237.

Almost surely, 2^{22120110012112} is an apocalyptic number.

It is an amenable number.

22120110012112 is an abundant number, since it is smaller than the sum of its proper divisors (26860133586384).

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

22120110012112 is a wasteful number, since it uses less digits than its factorization.

22120110012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197500982266 (or 197500982260 counting only the distinct ones).

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

Adding to 22120110012112 its reverse (21121001102122), we get a palindrome (43241111114234).

The spelling of 22120110012112 in words is "twenty-two trillion, one hundred twenty billion, one hundred ten million, twelve thousand, one hundred twelve".