12110000201221 has 16 divisors (see below), whose sum is σ = 13809565796544. Its totient is φ = 10520236364544.

The previous prime is 12110000201213. The next prime is 12110000201227. The reversal of 12110000201221 is 12210200001121.

It is a cyclic number.

It is not a de Polignac number, because 12110000201221 - 2³ = 12110000201213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110000201227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1758730 + ... + 5226196.

It is an arithmetic number, because the mean of its divisors is an integer number (863097862284).

Almost surely, 2^{12110000201221} is an apocalyptic number.

It is an amenable number.

12110000201221 is a deficient number, since it is larger than the sum of its proper divisors (1699565595323).

12110000201221 is a wasteful number, since it uses less digits than its factorization.

12110000201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483300.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12110000201221 its reverse (12210200001121), we get a palindrome (24320200202342).

The spelling of 12110000201221 in words is "twelve trillion, one hundred ten billion, two hundred one thousand, two hundred twenty-one".