121110122 has 8 divisors (see below), whose sum is σ = 207617376. Its totient is φ = 51904332.

The previous prime is 121110113. The next prime is 121110127. The reversal of 121110122 is 221011121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121110127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4325348 + ... + 4325375.

It is an arithmetic number, because the mean of its divisors is an integer number (25952172).

Almost surely, 2^121110122 is an apocalyptic number.

121110122 is a deficient number, since it is larger than the sum of its proper divisors (86507254).

121110122 is an equidigital number, since it uses as much as digits as its factorization.

121110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8650732.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 121110122 is about 11005.0044070868. The cubic root of 121110122 is about 494.7587464983.

Adding to 121110122 its reverse (221011121), we get a palindrome (342121243).

Subtracting 121110122 from its reverse (221011121), we obtain a palindrome (99900999).

The spelling of 121110122 in words is "one hundred twenty-one million, one hundred ten thousand, one hundred twenty-two".