12111232032111 has 8 divisors (see below), whose sum is σ = 16164250455600. Its totient is φ = 8066184148352.

The previous prime is 12111232032073. The next prime is 12111232032209. The reversal of 12111232032111 is 11123023211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111232032111 - 2⁶ = 12111232032047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111232032311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992631386 + ... + 1992637463.

It is an arithmetic number, because the mean of its divisors is an integer number (2020531306950).

Almost surely, 2^{12111232032111} is an apocalyptic number.

12111232032111 is a deficient number, since it is larger than the sum of its proper divisors (4053018423489).

12111232032111 is a wasteful number, since it uses less digits than its factorization.

12111232032111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985269865.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12111232032111 its reverse (11123023211121), we get a palindrome (23234255243232).

The spelling of 12111232032111 in words is "twelve trillion, one hundred eleven billion, two hundred thirty-two million, thirty-two thousand, one hundred eleven".