122211886994474 has 4 divisors (see below), whose sum is σ = 183317830491714. Its totient is φ = 61105943497236.

The previous prime is 122211886994473. The next prime is 122211886994503. The reversal of 122211886994474 is 474499688112221.

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., 94016158693249 + 28195728301225 = 9696193^2 + 5309965^2 .

It is not an unprimeable number, because it can be changed into a prime (122211886994471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30552971748617 + ... + 30552971748620.

Almost surely, 2^{122211886994474} is an apocalyptic number.

122211886994474 is a deficient number, since it is larger than the sum of its proper divisors (61105943497240).

122211886994474 is an equidigital number, since it uses as much as digits as its factorization.

122211886994474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61105943497239.

The product of its digits is 111476736, while the sum is 68.

The spelling of 122211886994474 in words is "one hundred twenty-two trillion, two hundred eleven billion, eight hundred eighty-six million, nine hundred ninety-four thousand, four hundred seventy-four".