12100222010121 has 12 divisors (see below), whose sum is σ = 18767691281232. Its totient is φ = 6914412577128.

The previous prime is 12100222010119. The next prime is 12100222010161. The reversal of 12100222010121 is 12101022200121.

It is not a de Polignac number, because 12100222010121 - 2¹ = 12100222010119 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 12100222010121.

It is not an unprimeable number, because it can be changed into a prime (12100222010161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41157217575 + ... + 41157217868.

It is an arithmetic number, because the mean of its divisors is an integer number (1563974273436).

Almost surely, 2^{12100222010121} is an apocalyptic number.

It is an amenable number.

12100222010121 is a deficient number, since it is larger than the sum of its proper divisors (6667469271111).

12100222010121 is an equidigital number, since it uses as much as digits as its factorization.

12100222010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82314435460 (or 82314435453 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12100222010121 its reverse (12101022200121), we get a palindrome (24201244210242).

The spelling of 12100222010121 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, ten thousand, one hundred twenty-one".