122201220122 has 32 divisors (see below), whose sum is σ = 195171456960. Its totient is φ = 57184807680.

The previous prime is 122201220101. The next prime is 122201220137. The reversal of 122201220122 is 221022102221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 122201220122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9154529 + ... + 9167867.

It is an arithmetic number, because the mean of its divisors is an integer number (6099108030).

Almost surely, 2^122201220122 is an apocalyptic number.

122201220122 is a deficient number, since it is larger than the sum of its proper divisors (72970236838).

122201220122 is a wasteful number, since it uses less digits than its factorization.

122201220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14846.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122201220122 its reverse (221022102221), we get a palindrome (343223322343).

The spelling of 122201220122 in words is "one hundred twenty-two billion, two hundred one million, two hundred twenty thousand, one hundred twenty-two".