202212221122 has 4 divisors (see below), whose sum is σ = 303318331686. Its totient is φ = 101106110560.

The previous prime is 202212221111. The next prime is 202212221161. The reversal of 202212221122 is 221122212202.

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., 202211203041 + 1018081 = 449679^2 + 1009^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202212221122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50553055279 + ... + 50553055282.

Almost surely, 2^202212221122 is an apocalyptic number.

202212221122 is a deficient number, since it is larger than the sum of its proper divisors (101106110564).

202212221122 is a wasteful number, since it uses less digits than its factorization.

202212221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101106110563.

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

Adding to 202212221122 its reverse (221122212202), we get a palindrome (423334433324).

The spelling of 202212221122 in words is "two hundred two billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twenty-two".