22110022021122 has 128 divisors (see below), whose sum is σ = 56224731916800. Its totient is φ = 6309021312000.

The previous prime is 22110022021117. The next prime is 22110022021123. The reversal of 22110022021122 is 22112022001122.

It is a happy number.

22110022021122 is a `hidden beast` number, since 2 + 211 + 0 + 0 + 220 + 211 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22110022021095 and 22110022021104.

It is not an unprimeable number, because it can be changed into a prime (22110022021123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1033119622 + ... + 1033141022.

It is an arithmetic number, because the mean of its divisors is an integer number (439255718100).

Almost surely, 2^{22110022021122} is an apocalyptic number.

22110022021122 is an abundant number, since it is smaller than the sum of its proper divisors (34114709895678).

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

22110022021122 is a wasteful number, since it uses less digits than its factorization.

22110022021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24809 (or 24803 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22110022021122 its reverse (22112022001122), we get a palindrome (44222044022244).

The spelling of 22110022021122 in words is "twenty-two trillion, one hundred ten billion, twenty-two million, twenty-one thousand, one hundred twenty-two".