22122210010112 has 88 divisors (see below), whose sum is σ = 44482809009912. Its totient is φ = 10996118323200.

The previous prime is 22122210010099. The next prime is 22122210010133. The reversal of 22122210010112 is 21101001222122.

It can be written as a sum of positive squares in 4 ways, for example, as 1014580765696 + 21107629244416 = 1007264^2 + 4594304^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567318488 + ... + 567357480.

Almost surely, 2^{22122210010112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22122210010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22241404504956).

22122210010112 is an abundant number, since it is smaller than the sum of its proper divisors (22360598999800).

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

22122210010112 is a wasteful number, since it uses less digits than its factorization.

22122210010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42255 (or 42237 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22122210010112 its reverse (21101001222122), we get a palindrome (43223211232234).

The spelling of 22122210010112 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred ten million, ten thousand, one hundred twelve".