12211103231101 has 16 divisors (see below), whose sum is σ = 12838128076800. Its totient is φ = 11592128515968.

The previous prime is 12211103231083. The next prime is 12211103231137. The reversal of 12211103231101 is 10113230111221.

It is a cyclic number.

It is not a de Polignac number, because 12211103231101 - 2⁵ = 12211103231069 is a prime.

It is a super-2 number, since 2×12211103231101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211103231401) 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, 12639115 + ... + 13570903.

It is an arithmetic number, because the mean of its divisors is an integer number (802383004800).

Almost surely, 2^{12211103231101} is an apocalyptic number.

It is an amenable number.

12211103231101 is a deficient number, since it is larger than the sum of its proper divisors (627024845699).

12211103231101 is a wasteful number, since it uses less digits than its factorization.

12211103231101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936108.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12211103231101 its reverse (10113230111221), we get a palindrome (22324333342322).

The spelling of 12211103231101 in words is "twelve trillion, two hundred eleven billion, one hundred three million, two hundred thirty-one thousand, one hundred one".