22100123120 has 40 divisors (see below), whose sum is σ = 51626346000. Its totient is φ = 8798146560.

The previous prime is 22100123099. The next prime is 22100123159. The reversal of 22100123120 is 2132100122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 22100123095 and 22100123104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637745 + ... + 671504.

It is an arithmetic number, because the mean of its divisors is an integer number (1290658650).

Almost surely, 2^22100123120 is an apocalyptic number.

22100123120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100123120 is an abundant number, since it is smaller than the sum of its proper divisors (29526222880).

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

22100123120 is a wasteful number, since it uses less digits than its factorization.

22100123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309473 (or 1309467 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22100123120 its reverse (2132100122), we get a palindrome (24232223242).

The spelling of 22100123120 in words is "twenty-two billion, one hundred million, one hundred twenty-three thousand, one hundred twenty".