22111010212112 has 40 divisors (see below), whose sum is σ = 45391964299776. Its totient is φ = 10397868950016.

The previous prime is 22111010212111. The next prime is 22111010212127. The reversal of 22111010212112 is 21121201011122.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (22111010212111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28176008 + ... + 28950119.

Almost surely, 2^{22111010212112} is an apocalyptic number.

It is an amenable number.

22111010212112 is an abundant number, since it is smaller than the sum of its proper divisors (23280954087664).

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

22111010212112 is a wasteful number, since it uses less digits than its factorization.

22111010212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57127575 (or 57127569 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111010212112 its reverse (21121201011122), we get a palindrome (43232211223234).

The spelling of 22111010212112 in words is "twenty-two trillion, one hundred eleven billion, ten million, two hundred twelve thousand, one hundred twelve".