1111012231233 has 16 divisors (see below), whose sum is σ = 1498043928960. Its totient is φ = 732328232064.

The previous prime is 1111012231187. The next prime is 1111012231243. The reversal of 1111012231233 is 3321322101111.

It is not a de Polignac number, because 1111012231233 - 2⁹ = 1111012230721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111012231243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11685435 + ... + 11780127.

It is an arithmetic number, because the mean of its divisors is an integer number (93627745560).

Almost surely, 2^{1111012231233} is an apocalyptic number.

It is an amenable number.

1111012231233 is a deficient number, since it is larger than the sum of its proper divisors (387031697727).

1111012231233 is an equidigital number, since it uses as much as digits as its factorization.

1111012231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138728.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1111012231233 its reverse (3321322101111), we get a palindrome (4432334332344).

The spelling of 1111012231233 in words is "one trillion, one hundred eleven billion, twelve million, two hundred thirty-one thousand, two hundred thirty-three".