12110222211121 has 16 divisors (see below), whose sum is σ = 12934693416960. Its totient is φ = 11313036826560.

The previous prime is 12110222211103. The next prime is 12110222211137. The reversal of 12110222211121 is 12111222201121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12110222211121 - 2¹⁹ = 12110221686833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110222211421) 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, 2795851 + ... + 5660143.

It is an arithmetic number, because the mean of its divisors is an integer number (808418338560).

Almost surely, 2^{12110222211121} is an apocalyptic number.

It is an amenable number.

12110222211121 is a deficient number, since it is larger than the sum of its proper divisors (824471205839).

12110222211121 is a wasteful number, since it uses less digits than its factorization.

12110222211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869056.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12110222211121 its reverse (12111222201121), we get a palindrome (24221444412242).

The spelling of 12110222211121 in words is "twelve trillion, one hundred ten billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-one".