122122222201 has 12 divisors (see below), whose sum is σ = 149537416080. Its totient is φ = 99166916520.

The previous prime is 122122222147. The next prime is 122122222247. The reversal of 122122222201 is 102222221221.

It is a de Polignac number, because none of the positive numbers 2^k-122122222201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (122122222501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65585655 + ... + 65587516.

It is an arithmetic number, because the mean of its divisors is an integer number (12461451340).

Almost surely, 2^122122222201 is an apocalyptic number.

It is an amenable number.

122122222201 is a deficient number, since it is larger than the sum of its proper divisors (27415193879).

122122222201 is a wasteful number, since it uses less digits than its factorization.

122122222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131173204 (or 131173197 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122122222201 its reverse (102222221221), we get a palindrome (224344443422).

The spelling of 122122222201 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".