122222002100122 has 16 divisors (see below), whose sum is σ = 192990551493600. Its totient is φ = 57892099699440.

The previous prime is 122222002100089. The next prime is 122222002100129. The reversal of 122222002100122 is 221001200222221.

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 122222002100122.

It is not an unprimeable number, because it can be changed into a prime (122222002100129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69477472 + ... + 71214907.

It is an arithmetic number, because the mean of its divisors is an integer number (12061909468350).

Almost surely, 2^{122222002100122} is an apocalyptic number.

122222002100122 is a deficient number, since it is larger than the sum of its proper divisors (70768549393478).

122222002100122 is a wasteful number, since it uses less digits than its factorization.

122222002100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140715261.

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

Adding to 122222002100122 its reverse (221001200222221), we get a palindrome (343223202322343).

The spelling of 122222002100122 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two million, one hundred thousand, one hundred twenty-two".