12200110022121 has 64 divisors (see below), whose sum is σ = 20081541772800. Its totient is φ = 6430265081856.

The previous prime is 12200110022099. The next prime is 12200110022147. The reversal of 12200110022121 is 12122001100221.

It is not a de Polignac number, because 12200110022121 - 2¹⁴ = 12200110005737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12200110022121.

It is not an unprimeable number, because it can be changed into a prime (12200110022171) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1891335 + ... + 5289363.

It is an arithmetic number, because the mean of its divisors is an integer number (313774090200).

Almost surely, 2^{12200110022121} is an apocalyptic number.

It is an amenable number.

12200110022121 is a deficient number, since it is larger than the sum of its proper divisors (7881431750679).

12200110022121 is a wasteful number, since it uses less digits than its factorization.

12200110022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398258.

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

Adding to 12200110022121 its reverse (12122001100221), we get a palindrome (24322111122342).

The spelling of 12200110022121 in words is "twelve trillion, two hundred billion, one hundred ten million, twenty-two thousand, one hundred twenty-one".