22010111012120 has 128 divisors (see below), whose sum is σ = 61749273231360. Its totient is φ = 6859558325760.

The previous prime is 22010111012111. The next prime is 22010111012129. The reversal of 22010111012120 is 2121011101022.

It is an interprime number because it is at equal distance from previous prime (22010111012111) and next prime (22010111012129).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22010111012095 and 22010111012104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010111012129) 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, 28687337 + ... + 29444583.

It is an arithmetic number, because the mean of its divisors is an integer number (482416197120).

Almost surely, 2^{22010111012120} is an apocalyptic number.

22010111012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010111012120 is an abundant number, since it is smaller than the sum of its proper divisors (39739162219240).

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

22010111012120 is a wasteful number, since it uses less digits than its factorization.

22010111012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766713 (or 766709 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22010111012120 its reverse (2121011101022), we get a palindrome (24131122113142).

The spelling of 22010111012120 in words is "twenty-two trillion, ten billion, one hundred eleven million, twelve thousand, one hundred twenty".