22112020021122 has 128 divisors (see below), whose sum is σ = 53032368211200. Its totient is φ = 6803769581568.

The previous prime is 22112020021097. The next prime is 22112020021171. The reversal of 22112020021122 is 22112002021122.

It is a happy number.

22112020021122 is a `hidden beast` number, since 2 + 211 + 20 + 200 + 211 + 22 = 666.

It is a super-2 number, since 2×22112020021122² (a number of 27 digits) contains 22 as substring.

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 = 22112020021095 and 22112020021104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22980718 + ... + 23923574.

It is an arithmetic number, because the mean of its divisors is an integer number (414315376650).

Almost surely, 2^{22112020021122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112020021122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26516184105600).

22112020021122 is an abundant number, since it is smaller than the sum of its proper divisors (30920348190078).

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

22112020021122 is a wasteful number, since it uses less digits than its factorization.

22112020021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943377 (or 943371 counting only the distinct ones).

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

Adding to 22112020021122 its reverse (22112002021122), we get a palindrome (44224022042244).

The spelling of 22112020021122 in words is "twenty-two trillion, one hundred twelve billion, twenty million, twenty-one thousand, one hundred twenty-two".