2111321113233 has 4 divisors (see below), whose sum is σ = 2815094817648. Its totient is φ = 1407547408820.

The previous prime is 2111321113219. The next prime is 2111321113241. The reversal of 2111321113233 is 3323111231112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2111321113233 - 2⁵ = 2111321113201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111321103233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351886852203 + ... + 351886852208.

It is an arithmetic number, because the mean of its divisors is an integer number (703773704412).

Almost surely, 2^{2111321113233} is an apocalyptic number.

It is an amenable number.

2111321113233 is a deficient number, since it is larger than the sum of its proper divisors (703773704415).

2111321113233 is an equidigital number, since it uses as much as digits as its factorization.

2111321113233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703773704414.

The product of its digits is 648, while the sum is 24.

Adding to 2111321113233 its reverse (3323111231112), we get a palindrome (5434432344345).

The spelling of 2111321113233 in words is "two trillion, one hundred eleven billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred thirty-three".