22100110120 has 64 divisors (see below), whose sum is σ = 54472953600. Its totient is φ = 8002740480.

The previous prime is 22100110117. The next prime is 22100110141. The reversal of 22100110120 is 2101100122.

It is a super-2 number, since 2×22100110120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22100110097 and 22100110106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82 + ... + 210238.

It is an arithmetic number, because the mean of its divisors is an integer number (851139900).

Almost surely, 2^22100110120 is an apocalyptic number.

22100110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22100110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27236476800).

22100110120 is an abundant number, since it is smaller than the sum of its proper divisors (32372843480).

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

22100110120 is a wasteful number, since it uses less digits than its factorization.

22100110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210418 (or 210414 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22100110120 its reverse (2101100122), we get a palindrome (24201210242).

The spelling of 22100110120 in words is "twenty-two billion, one hundred million, one hundred ten thousand, one hundred twenty".