12331111101 has 32 divisors (see below), whose sum is σ = 17171632128. Its totient is φ = 7864335360.

The previous prime is 12331111063. The next prime is 12331111147. The reversal of 12331111101 is 10111113321.

It is not a de Polignac number, because 12331111101 - 2¹⁹ = 12330586813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331111151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1589091 + ... + 1596831.

It is an arithmetic number, because the mean of its divisors is an integer number (536613504).

Almost surely, 2^12331111101 is an apocalyptic number.

It is an amenable number.

12331111101 is a deficient number, since it is larger than the sum of its proper divisors (4840521027).

12331111101 is a wasteful number, since it uses less digits than its factorization.

12331111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 12331111101 its reverse (10111113321), we get a palindrome (22442224422).

The spelling of 12331111101 in words is "twelve billion, three hundred thirty-one million, one hundred eleven thousand, one hundred one".