12101131323211 has 24 divisors (see below), whose sum is σ = 14455789079040. Its totient is φ = 10096860992400.

The previous prime is 12101131323181. The next prime is 12101131323217. The reversal of 12101131323211 is 11232313110121.

It is not a de Polignac number, because 12101131323211 - 2⁵ = 12101131323179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101131323217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21739945 + ... + 22289626.

It is an arithmetic number, because the mean of its divisors is an integer number (602324544960).

Almost surely, 2^{12101131323211} is an apocalyptic number.

12101131323211 is a deficient number, since it is larger than the sum of its proper divisors (2354657755829).

12101131323211 is an equidigital number, since it uses as much as digits as its factorization.

12101131323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44029735 (or 44029728 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 12101131323211 its reverse (11232313110121), we get a palindrome (23333444433332).

The spelling of 12101131323211 in words is "twelve trillion, one hundred one billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred eleven".