12110020122221 has 16 divisors (see below), whose sum is σ = 13891048114944. Its totient is φ = 10341767746944.

The previous prime is 12110020122191. The next prime is 12110020122313. The reversal of 12110020122221 is 12222102001121.

12110020122221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12110020122221 - 2¹⁴ = 12110020105837 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12110020122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110020122521) 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, 6729560 + ... + 8337086.

It is an arithmetic number, because the mean of its divisors is an integer number (868190507184).

Almost surely, 2^{12110020122221} is an apocalyptic number.

It is an amenable number.

12110020122221 is a deficient number, since it is larger than the sum of its proper divisors (1781027992723).

12110020122221 is a wasteful number, since it uses less digits than its factorization.

12110020122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611500.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12110020122221 its reverse (12222102001121), we get a palindrome (24332122123342).

The spelling of 12110020122221 in words is "twelve trillion, one hundred ten billion, twenty million, one hundred twenty-two thousand, two hundred twenty-one".