2021122222202 has 8 divisors (see below), whose sum is σ = 3047072589396. Its totient is φ = 1005431359072.

The previous prime is 2021122222183. The next prime is 2021122222291. The reversal of 2021122222202 is 2022222211202.

It can be written as a sum of positive squares in 2 ways, for example, as 1933209379201 + 87912843001 = 1390399^2 + 296501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564875523 + ... + 2564876310.

Almost surely, 2^{2021122222202} is an apocalyptic number.

2021122222202 is a deficient number, since it is larger than the sum of its proper divisors (1025950367194).

2021122222202 is a wasteful number, since it uses less digits than its factorization.

2021122222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129752032.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2021122222202 its reverse (2022222211202), we get a palindrome (4043344433404).

The spelling of 2021122222202 in words is "two trillion, twenty-one billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred two".