12211201122001 has 16 divisors (see below), whose sum is σ = 14777031540096. Its totient is φ = 9850751652096.

The previous prime is 12211201121969. The next prime is 12211201122007. The reversal of 12211201122001 is 10022110211221.

It is a cyclic number.

It is not a de Polignac number, because 12211201122001 - 2⁵ = 12211201121969 is a prime.

It is a super-2 number, since 2×12211201122001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211201122007) 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, 2378370 + ... + 5484436.

It is an arithmetic number, because the mean of its divisors is an integer number (923564471256).

Almost surely, 2^{12211201122001} is an apocalyptic number.

It is an amenable number.

12211201122001 is a deficient number, since it is larger than the sum of its proper divisors (2565830418095).

12211201122001 is a wasteful number, since it uses less digits than its factorization.

12211201122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139128.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211201122001 its reverse (10022110211221), we get a palindrome (22233311333222).

The spelling of 12211201122001 in words is "twelve trillion, two hundred eleven billion, two hundred one million, one hundred twenty-two thousand, one".