122211320122 has 4 divisors (see below), whose sum is σ = 183316980186. Its totient is φ = 61105660060.

The previous prime is 122211320083. The next prime is 122211320159. The reversal of 122211320122 is 221023112221.

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., 120868170921 + 1343149201 = 347661^2 + 36649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122211320122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30552830029 + ... + 30552830032.

Almost surely, 2^122211320122 is an apocalyptic number.

122211320122 is a deficient number, since it is larger than the sum of its proper divisors (61105660064).

122211320122 is an equidigital number, since it uses as much as digits as its factorization.

122211320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61105660063.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122211320122 its reverse (221023112221), we get a palindrome (343234432343).

The spelling of 122211320122 in words is "one hundred twenty-two billion, two hundred eleven million, three hundred twenty thousand, one hundred twenty-two".