11231412111 has 12 divisors (see below), whose sum is σ = 16257895992. Its totient is φ = 7471571856.

The previous prime is 11231412089. The next prime is 11231412119. The reversal of 11231412111 is 11121413211.

11231412111 is a `hidden beast` number, since 11 + 231 + 412 + 1 + 11 = 666.

It is not a de Polignac number, because 11231412111 - 2¹¹ = 11231410063 is a prime.

It is a super-2 number, since 2×11231412111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231412119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1331916 + ... + 1340321.

It is an arithmetic number, because the mean of its divisors is an integer number (1354824666).

Almost surely, 2^11231412111 is an apocalyptic number.

11231412111 is a deficient number, since it is larger than the sum of its proper divisors (5026483881).

11231412111 is a wasteful number, since it uses less digits than its factorization.

11231412111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672710 (or 2672707 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 11231412111 its reverse (11121413211), we get a palindrome (22352825322).

The spelling of 11231412111 in words is "eleven billion, two hundred thirty-one million, four hundred twelve thousand, one hundred eleven".