22201012211022 has 96 divisors (see below), whose sum is σ = 51450437518272. Its totient is φ = 6894153326592.

The previous prime is 22201012211009. The next prime is 22201012211071. The reversal of 22201012211022 is 22011221010222.

It is a happy number.

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 = 22201012210986 and 22201012211004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67189158 + ... + 67518774.

It is an arithmetic number, because the mean of its divisors is an integer number (535942057482).

Almost surely, 2^{22201012211022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22201012211022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25725218759136).

22201012211022 is an abundant number, since it is smaller than the sum of its proper divisors (29249425307250).

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

22201012211022 is a wasteful number, since it uses less digits than its factorization.

22201012211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331882 (or 331879 counting only the distinct ones).

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

Adding to 22201012211022 its reverse (22011221010222), we get a palindrome (44212233221244).

The spelling of 22201012211022 in words is "twenty-two trillion, two hundred one billion, twelve million, two hundred eleven thousand, twenty-two".