202002220202122 has 16 divisors (see below), whose sum is σ = 303405378798600. Its totient is φ = 100867172797440.

The previous prime is 202002220202113. The next prime is 202002220202161. The reversal of 202002220202122 is 221202022200202.

It can be written as a sum of positive squares in 4 ways, for example, as 32965844244921 + 169036375957201 = 5741589^2 + 13001399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202002220202122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14590279 + ... + 24837082.

Almost surely, 2^{202002220202122} is an apocalyptic number.

202002220202122 is a deficient number, since it is larger than the sum of its proper divisors (101403158596478).

202002220202122 is a wasteful number, since it uses less digits than its factorization.

202002220202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39430761.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 202002220202122 its reverse (221202022200202), we get a palindrome (423204242402324).

The spelling of 202002220202122 in words is "two hundred two trillion, two billion, two hundred twenty million, two hundred two thousand, one hundred twenty-two".