22211022222112 has 48 divisors (see below), whose sum is σ = 44885024553600. Its totient is φ = 10814049772288.

The previous prime is 22211022222101. The next prime is 22211022222121. The reversal of 22211022222112 is 21122222011222.

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 7 ways as a sum of consecutive naturals, for example, 37185862 + ... + 37778437.

It is an arithmetic number, because the mean of its divisors is an integer number (935104678200).

Almost surely, 2^{22211022222112} is an apocalyptic number.

It is an amenable number.

22211022222112 is an abundant number, since it is smaller than the sum of its proper divisors (22674002331488).

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

22211022222112 is a wasteful number, since it uses less digits than its factorization.

22211022222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74964553 (or 74964545 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22211022222112 its reverse (21122222011222), we get a palindrome (43333244233334).

The spelling of 22211022222112 in words is "twenty-two trillion, two hundred eleven billion, twenty-two million, two hundred twenty-two thousand, one hundred twelve".