202200212120122 has 4 divisors (see below), whose sum is σ = 303300318180186. Its totient is φ = 101100106060060.

The previous prime is 202200212120113. The next prime is 202200212120147. The reversal of 202200212120122 is 221021212002202.

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., 193188622391361 + 9011589728761 = 13899231^2 + 3001931^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202200212120122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550053030029 + ... + 50550053030032.

Almost surely, 2^{202200212120122} is an apocalyptic number.

202200212120122 is a deficient number, since it is larger than the sum of its proper divisors (101100106060064).

202200212120122 is a wasteful number, since it uses less digits than its factorization.

202200212120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101100106060063.

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

Adding to 202200212120122 its reverse (221021212002202), we get a palindrome (423221424122324).

The spelling of 202200212120122 in words is "two hundred two trillion, two hundred billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty-two".