122001002122 has 4 divisors (see below), whose sum is σ = 183001503186. Its totient is φ = 61000501060.

The previous prime is 122001002117. The next prime is 122001002203. The reversal of 122001002122 is 221200100221.

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., 114914898081 + 7086104041 = 338991^2 + 84179^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30500250529 + ... + 30500250532.

Almost surely, 2^122001002122 is an apocalyptic number.

122001002122 is a deficient number, since it is larger than the sum of its proper divisors (61000501064).

122001002122 is an equidigital number, since it uses as much as digits as its factorization.

122001002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61000501063.

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

Adding to 122001002122 its reverse (221200100221), we get a palindrome (343201102343).

The spelling of 122001002122 in words is "one hundred twenty-two billion, one million, two thousand, one hundred twenty-two".