220000211122 has 4 divisors (see below), whose sum is σ = 330000316686. Its totient is φ = 110000105560.

The previous prime is 220000211077. The next prime is 220000211203. The reversal of 220000211122 is 221112000022.

It is a happy number.

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., 113568326001 + 106431885121 = 336999^2 + 326239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000052779 + ... + 55000052782.

Almost surely, 2^220000211122 is an apocalyptic number.

220000211122 is a deficient number, since it is larger than the sum of its proper divisors (110000105564).

220000211122 is a wasteful number, since it uses less digits than its factorization.

220000211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110000105563.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220000211122 its reverse (221112000022), we get a palindrome (441112211144).

The spelling of 220000211122 in words is "two hundred twenty billion, two hundred eleven thousand, one hundred twenty-two".