12110002221121 has 16 divisors (see below), whose sum is σ = 13914337434624. Its totient is φ = 10324281651264.

The previous prime is 12110002221073. The next prime is 12110002221139. The reversal of 12110002221121 is 12112220001121.

It is not a de Polignac number, because 12110002221121 - 2¹⁹ = 12110001696833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110002221095 and 12110002221104.

It is not an unprimeable number, because it can be changed into a prime (12110002227121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3420016 + ... + 5993038.

It is an arithmetic number, because the mean of its divisors is an integer number (869646089664).

Almost surely, 2^{12110002221121} is an apocalyptic number.

It is an amenable number.

12110002221121 is a deficient number, since it is larger than the sum of its proper divisors (1804335213503).

12110002221121 is a wasteful number, since it uses less digits than its factorization.

12110002221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576640.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12110002221121 its reverse (12112220001121), we get a palindrome (24222222222242).

The spelling of 12110002221121 in words is "twelve trillion, one hundred ten billion, two million, two hundred twenty-one thousand, one hundred twenty-one".