2202120022122 has 72 divisors (see below), whose sum is σ = 4917501994860. Its totient is φ = 712178265600.

The previous prime is 2202120022117. The next prime is 2202120022159. The reversal of 2202120022122 is 2212200212022.

2202120022122 is a `hidden beast` number, since 220 + 2 + 1 + 200 + 221 + 22 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 8613881721 + 2193506140401 = 92811^2 + 1481049^2 .

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 = 2202120022095 and 2202120022104.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5275654 + ... + 5677742.

Almost surely, 2^{2202120022122} is an apocalyptic number.

2202120022122 is an abundant number, since it is smaller than the sum of its proper divisors (2715381972738).

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

2202120022122 is a wasteful number, since it uses less digits than its factorization.

2202120022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402360 (or 402316 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2202120022122 its reverse (2212200212022), we get a palindrome (4414320234144).

The spelling of 2202120022122 in words is "two trillion, two hundred two billion, one hundred twenty million, twenty-two thousand, one hundred twenty-two".