202220211122 has 4 divisors (see below), whose sum is σ = 303330316686. Its totient is φ = 101110105560.

The previous prime is 202220211091. The next prime is 202220211217. The reversal of 202220211122 is 221112022202.

It is a happy number.

202220211122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 200507823961 + 1712387161 = 447781^2 + 41381^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202220211122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555052779 + ... + 50555052782.

Almost surely, 2^202220211122 is an apocalyptic number.

202220211122 is a deficient number, since it is larger than the sum of its proper divisors (101110105564).

202220211122 is a wasteful number, since it uses less digits than its factorization.

202220211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101110105563.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202220211122 its reverse (221112022202), we get a palindrome (423332233324).

The spelling of 202220211122 in words is "two hundred two billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-two".