1232011111103 has 4 divisors (see below), whose sum is σ = 1240279642200. Its totient is φ = 1223742580008.

The previous prime is 1232011111021. The next prime is 1232011111151. The reversal of 1232011111103 is 3011111102321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232011111103 - 2¹² = 1232011107007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232011011103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4134265325 + ... + 4134265622.

It is an arithmetic number, because the mean of its divisors is an integer number (310069910550).

Almost surely, 2^{1232011111103} is an apocalyptic number.

1232011111103 is a deficient number, since it is larger than the sum of its proper divisors (8268531097).

1232011111103 is an equidigital number, since it uses as much as digits as its factorization.

1232011111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268531096.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1232011111103 its reverse (3011111102321), we get a palindrome (4243122213424).

The spelling of 1232011111103 in words is "one trillion, two hundred thirty-two billion, eleven million, one hundred eleven thousand, one hundred three".