22111102120120 has 64 divisors (see below), whose sum is σ = 54587786289120. Its totient is φ = 8010059625984.

The previous prime is 22111102120109. The next prime is 22111102120123. The reversal of 22111102120120 is 2102120111122.

It is a junction number, because it is equal to n+sod(n) for n = 22111102120094 and 22111102120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111102120123) by changing a digit.

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, 401117254 + ... + 401172373.

Almost surely, 2^{22111102120120} is an apocalyptic number.

22111102120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111102120120 is an abundant number, since it is smaller than the sum of its proper divisors (32476684169000).

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

22111102120120 is a wasteful number, since it uses less digits than its factorization.

22111102120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802289704 (or 802289700 counting only the distinct ones).

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

Adding to 22111102120120 its reverse (2102120111122), we get a palindrome (24213222231242).

The spelling of 22111102120120 in words is "twenty-two trillion, one hundred eleven billion, one hundred two million, one hundred twenty thousand, one hundred twenty".