122201112122 has 8 divisors (see below), whose sum is σ = 183318900276. Its totient is φ = 61094812032.

The previous prime is 122201112119. The next prime is 122201112149. The reversal of 122201112122 is 221211102221.

It can be written as a sum of positive squares in 2 ways, for example, as 117861069481 + 4340042641 = 343309^2 + 65879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122201112122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122201112122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2845373 + ... + 2888000.

Almost surely, 2^122201112122 is an apocalyptic number.

122201112122 is a deficient number, since it is larger than the sum of its proper divisors (61117788154).

122201112122 is a wasteful number, since it uses less digits than its factorization.

122201112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744032.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122201112122 its reverse (221211102221), we get a palindrome (343412214343).

Subtracting 122201112122 from its reverse (221211102221), we obtain a palindrome (99009990099).

The spelling of 122201112122 in words is "one hundred twenty-two billion, two hundred one million, one hundred twelve thousand, one hundred twenty-two".