22111212110120 has 64 divisors (see below), whose sum is σ = 57012327636480. Its totient is φ = 7560330333696.

The previous prime is 22111212110083. The next prime is 22111212110131. The reversal of 22111212110120 is 2101121211122.

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 15 ways as a sum of consecutive naturals, for example, 107483909 + ... + 107689428.

It is an arithmetic number, because the mean of its divisors is an integer number (890817619320).

Almost surely, 2^{22111212110120} is an apocalyptic number.

22111212110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111212110120 is an abundant number, since it is smaller than the sum of its proper divisors (34901115526360).

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

22111212110120 is a wasteful number, since it uses less digits than its factorization.

22111212110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215173722 (or 215173718 counting only the distinct ones).

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

Adding to 22111212110120 its reverse (2101121211122), we get a palindrome (24212333321242).

The spelling of 22111212110120 in words is "twenty-two trillion, one hundred eleven billion, two hundred twelve million, one hundred ten thousand, one hundred twenty".