122101111101122 has 32 divisors (see below), whose sum is σ = 200617434702720. Its totient is φ = 55476589907200.

The previous prime is 122101111101061. The next prime is 122101111101127. The reversal of 122101111101122 is 221101111101221.

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 122101111101122.

It is not an unprimeable number, because it can be changed into a prime (122101111101127) 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 15 ways as a sum of consecutive naturals, for example, 38046773 + ... + 41130999.

It is an arithmetic number, because the mean of its divisors is an integer number (6269294834460).

Almost surely, 2^{122101111101122} is an apocalyptic number.

122101111101122 is a deficient number, since it is larger than the sum of its proper divisors (78516323601598).

122101111101122 is a wasteful number, since it uses less digits than its factorization.

122101111101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124426.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 122101111101122 its reverse (221101111101221), we get a palindrome (343202222202343).

Subtracting 122101111101122 from its reverse (221101111101221), we obtain a palindrome (99000000000099).

The spelling of 122101111101122 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred eleven million, one hundred one thousand, one hundred twenty-two".