22012110102120 has 128 divisors (see below), whose sum is σ = 66690860889600. Its totient is φ = 5811777049856.

The previous prime is 22012110102113. The next prime is 22012110102121. The reversal of 22012110102120 is 2120101121022.

It is a super-2 number, since 2×22012110102120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22012110102120.

It is not an unprimeable number, because it can be changed into a prime (22012110102121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22465411 + ... + 23424749.

It is an arithmetic number, because the mean of its divisors is an integer number (521022350700).

Almost surely, 2^{22012110102120} is an apocalyptic number.

22012110102120 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 22012110102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33345430444800).

22012110102120 is an abundant number, since it is smaller than the sum of its proper divisors (44678750787480).

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

22012110102120 is a wasteful number, since it uses less digits than its factorization.

22012110102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961247 (or 961243 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22012110102120 its reverse (2120101121022), we get a palindrome (24132211223142).

The spelling of 22012110102120 in words is "twenty-two trillion, twelve billion, one hundred ten million, one hundred two thousand, one hundred twenty".