22202001112122 has 160 divisors (see below), whose sum is σ = 55315086081024. Its totient is φ = 6609694867200.

The previous prime is 22202001112121. The next prime is 22202001112141. The reversal of 22202001112122 is 22121110020222.

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 = 22202001112095 and 22202001112104.

It is not an unprimeable number, because it can be changed into a prime (22202001112121) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 354536958 + ... + 354599574.

Almost surely, 2^{22202001112122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22202001112122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27657543040512).

22202001112122 is an abundant number, since it is smaller than the sum of its proper divisors (33113084968902).

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

22202001112122 is a wasteful number, since it uses less digits than its factorization.

22202001112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68106 (or 68097 counting only the distinct ones).

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

Adding to 22202001112122 its reverse (22121110020222), we get a palindrome (44323111132344).

The spelling of 22202001112122 in words is "twenty-two trillion, two hundred two billion, one million, one hundred twelve thousand, one hundred twenty-two".