12211103231102 has 48 divisors (see below), whose sum is σ = 19509483741696. Its totient is φ = 5724986493600.

The previous prime is 12211103231083. The next prime is 12211103231137. The reversal of 12211103231102 is 20113230111221.

It is a super-2 number, since 2×12211103231102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15062033 + ... + 15852035.

It is an arithmetic number, because the mean of its divisors is an integer number (406447577952).

Almost surely, 2^{12211103231102} is an apocalyptic number.

12211103231102 is a deficient number, since it is larger than the sum of its proper divisors (7298380510594).

12211103231102 is an equidigital number, since it uses as much as digits as its factorization.

12211103231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790225 (or 790164 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12211103231102 its reverse (20113230111221), we get a palindrome (32324333342323).

The spelling of 12211103231102 in words is "twelve trillion, two hundred eleven billion, one hundred three million, two hundred thirty-one thousand, one hundred two".