12121101110122 has 16 divisors (see below), whose sum is σ = 18653893538112. Its totient is φ = 5903593533280.

The previous prime is 12121101110021. The next prime is 12121101110141. The reversal of 12121101110122 is 22101110112121.

It is a junction number, because it is equal to n+sod(n) for n = 12121101110096 and 12121101110105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114180568 + ... + 114286675.

It is an arithmetic number, because the mean of its divisors is an integer number (1165868346132).

Almost surely, 2^{12121101110122} is an apocalyptic number.

12121101110122 is a deficient number, since it is larger than the sum of its proper divisors (6532792427990).

12121101110122 is a wasteful number, since it uses less digits than its factorization.

12121101110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228467933.

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

Adding to 12121101110122 its reverse (22101110112121), we get a palindrome (34222211222243).

It can be divided in two parts, 1212110 and 1110122, that added together give a palindrome (2322232).

The spelling of 12121101110122 in words is "twelve trillion, one hundred twenty-one billion, one hundred one million, one hundred ten thousand, one hundred twenty-two".