121112122101122 has 32 divisors (see below), whose sum is σ = 185837935564800. Its totient is φ = 59170382969040.

The previous prime is 121112122101049. The next prime is 121112122101199. The reversal of 121112122101122 is 221101221211121.

It is a happy number.

It is a super-2 number, since 2×121112122101122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121112122101094 and 121112122101103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306463129 + ... + 1306555827.

It is an arithmetic number, because the mean of its divisors is an integer number (5807435486400).

Almost surely, 2^{121112122101122} is an apocalyptic number.

121112122101122 is a deficient number, since it is larger than the sum of its proper divisors (64725813463678).

121112122101122 is a wasteful number, since it uses less digits than its factorization.

121112122101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115406.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 121112122101122 its reverse (221101221211121), we get a palindrome (342213343312243).

The spelling of 121112122101122 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred twenty-two million, one hundred one thousand, one hundred twenty-two".