122111121100222 has 16 divisors (see below), whose sum is σ = 193656403520640. Its totient is φ = 57587298933528.

The previous prime is 122111121100211. The next prime is 122111121100343. The reversal of 122111121100222 is 222001121111221.

It is a happy number.

It is a super-2 number, since 2×122111121100222² (a number of 29 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122111121100222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7078076298 + ... + 7078093549.

It is an arithmetic number, because the mean of its divisors is an integer number (12103525220040).

Almost surely, 2^{122111121100222} is an apocalyptic number.

122111121100222 is a deficient number, since it is larger than the sum of its proper divisors (71545282420418).

122111121100222 is a wasteful number, since it uses less digits than its factorization.

122111121100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14156170095.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122111121100222 its reverse (222001121111221), we get a palindrome (344112242211443).

The spelling of 122111121100222 in words is "one hundred twenty-two trillion, one hundred eleven billion, one hundred twenty-one million, one hundred thousand, two hundred twenty-two".