12211200020121 has 16 divisors (see below), whose sum is σ = 16320679066368. Its totient is φ = 8121261456000.

The previous prime is 12211200020113. The next prime is 12211200020141. The reversal of 12211200020121 is 12102000211221.

12211200020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12211200020121 - 2³ = 12211200020113 is a prime.

It is a super-2 number, since 2×12211200020121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211200020121.

It is not an unprimeable number, because it can be changed into a prime (12211200020141) 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, 64509205 + ... + 64698221.

It is an arithmetic number, because the mean of its divisors is an integer number (1020042441648).

Almost surely, 2^{12211200020121} is an apocalyptic number.

It is an amenable number.

12211200020121 is a deficient number, since it is larger than the sum of its proper divisors (4109479046247).

12211200020121 is a wasteful number, since it uses less digits than its factorization.

12211200020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240592.

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

Adding to 12211200020121 its reverse (12102000211221), we get a palindrome (24313200231342).

The spelling of 12211200020121 in words is "twelve trillion, two hundred eleven billion, two hundred million, twenty thousand, one hundred twenty-one".