201002202221122 has 16 divisors (see below), whose sum is σ = 311920597265400. Its totient is φ = 97029128206080.

The previous prime is 201002202221089. The next prime is 201002202221129. The reversal of 201002202221122 is 221122202200102.

It can be written as a sum of positive squares in 4 ways, for example, as 181513941689521 + 19488260531601 = 13472711^2 + 4414551^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201002202221122.

It is not an unprimeable number, because it can be changed into a prime (201002202221129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113717097 + ... + 115471132.

Almost surely, 2^{201002202221122} is an apocalyptic number.

201002202221122 is a deficient number, since it is larger than the sum of its proper divisors (110918395044278).

201002202221122 is a wasteful number, since it uses less digits than its factorization.

201002202221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229203381.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201002202221122 its reverse (221122202200102), we get a palindrome (422124404421224).

The spelling of 201002202221122 in words is "two hundred one trillion, two billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-two".