202211122122122 has 4 divisors (see below), whose sum is σ = 303316683183186. Its totient is φ = 101105561061060.

The previous prime is 202211122122103. The next prime is 202211122122173. The reversal of 202211122122122 is 221221221112202.

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., 110180312015761 + 92030810106361 = 10496681^2 + 9593269^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50552780530529 + ... + 50552780530532.

Almost surely, 2^{202211122122122} is an apocalyptic number.

202211122122122 is a deficient number, since it is larger than the sum of its proper divisors (101105561061064).

202211122122122 is a wasteful number, since it uses less digits than its factorization.

202211122122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101105561061063.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 202211122122122 its reverse (221221221112202), we get a palindrome (423432343234324).

The spelling of 202211122122122 in words is "two hundred two trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".