2112122202002 has 4 divisors (see below), whose sum is σ = 3168183303006. Its totient is φ = 1056061101000.

The previous prime is 2112122201989. The next prime is 2112122202013. The reversal of 2112122202002 is 2002022212112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1482795725401 + 629326476601 = 1217701^2 + 793301^2 .

It is a super-2 number, since 2×2112122202002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528030550499 + ... + 528030550502.

Almost surely, 2^{2112122202002} is an apocalyptic number.

2112122202002 is a deficient number, since it is larger than the sum of its proper divisors (1056061101004).

2112122202002 is a wasteful number, since it uses less digits than its factorization.

2112122202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056061101003.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2112122202002 its reverse (2002022212112), we get a palindrome (4114144414114).

The spelling of 2112122202002 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred two thousand, two".