122221211110122 has 16 divisors (see below), whose sum is σ = 244444441008672. Its totient is φ = 40740067238640.

The previous prime is 122221211110091. The next prime is 122221211110127. The reversal of 122221211110122 is 221011112122221.

It is a super-2 number, since 2×122221211110122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122221211110127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83328573 + ... + 84782624.

It is an arithmetic number, because the mean of its divisors is an integer number (15277777563042).

Almost surely, 2^{122221211110122} is an apocalyptic number.

122221211110122 is an abundant number, since it is smaller than the sum of its proper divisors (122223229898550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122221211110122 is a wasteful number, since it uses less digits than its factorization.

122221211110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168232373.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122221211110122 its reverse (221011112122221), we get a palindrome (343232323232343).

The spelling of 122221211110122 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, one hundred twenty-two".