2122201120122 has 64 divisors (see below), whose sum is σ = 4776366528000. Its totient is φ = 698348274624.

The previous prime is 2122201120121. The next prime is 2122201120177. The reversal of 2122201120122 is 2210211022212.

It is a happy number.

2122201120122 is a `hidden beast` number, since 212 + 220 + 11 + 201 + 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 = 2122201120095 and 2122201120104.

It is not an unprimeable number, because it can be changed into a prime (2122201120121) 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, 34494004 + ... + 34555472.

It is an arithmetic number, because the mean of its divisors is an integer number (74630727000).

Almost surely, 2^{2122201120122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122201120122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2388183264000).

2122201120122 is an abundant number, since it is smaller than the sum of its proper divisors (2654165407878).

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

2122201120122 is a wasteful number, since it uses less digits than its factorization.

2122201120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69652 (or 69646 counting only the distinct ones).

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

Adding to 2122201120122 its reverse (2210211022212), we get a palindrome (4332412142334).

The spelling of 2122201120122 in words is "two trillion, one hundred twenty-two billion, two hundred one million, one hundred twenty thousand, one hundred twenty-two".