2112022212210 has 48 divisors (see below), whose sum is σ = 5491332766296. Its totient is φ = 563198229504.

The previous prime is 2112022212187. The next prime is 2112022212227. The reversal of 2112022212210 is 122122202112.

It is a happy number.

2112022212210 is a `hidden beast` number, since 21 + 1 + 202 + 221 + 221 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1342652895441 + 769369316769 = 1158729^2 + 877137^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10076802 + ... + 10284258.

Almost surely, 2^{2112022212210} is an apocalyptic number.

2112022212210 is an abundant number, since it is smaller than the sum of its proper divisors (3379310554086).

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

2112022212210 is a wasteful number, since it uses less digits than its factorization.

2112022212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320587 (or 320584 counting only the distinct ones).

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

Adding to 2112022212210 its reverse (122122202112), we get a palindrome (2234144414322).

It can be divided in two parts, 2112022 and 212210, that added together give a palindrome (2324232).

The spelling of 2112022212210 in words is "two trillion, one hundred twelve billion, twenty-two million, two hundred twelve thousand, two hundred ten".