12121101122 has 32 divisors (see below), whose sum is σ = 20231823360. Its totient is φ = 5408544960.

The previous prime is 12121101101. The next prime is 12121101191. The reversal of 12121101122 is 22110112121.

It is a junction number, because it is equal to n+sod(n) for n = 12121101097 and 12121101106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874079 + ... + 887837.

It is an arithmetic number, because the mean of its divisors is an integer number (632244480).

Almost surely, 2^12121101122 is an apocalyptic number.

12121101122 is a deficient number, since it is larger than the sum of its proper divisors (8110722238).

12121101122 is a wasteful number, since it uses less digits than its factorization.

12121101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14898.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12121101122 its reverse (22110112121), we get a palindrome (34231213243).

The spelling of 12121101122 in words is "twelve billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-two".