111333001213 has 4 divisors (see below), whose sum is σ = 127237715680. Its totient is φ = 95428286748.

The previous prime is 111333001201. The next prime is 111333001231. The reversal of 111333001213 is 312100333111.

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 a de Polignac number, because none of the positive numbers 2^k-111333001213 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 (111333001253) 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, 7952357223 + ... + 7952357236.

It is an arithmetic number, because the mean of its divisors is an integer number (31809428920).

Almost surely, 2^111333001213 is an apocalyptic number.

It is an amenable number.

111333001213 is a deficient number, since it is larger than the sum of its proper divisors (15904714467).

111333001213 is an equidigital number, since it uses as much as digits as its factorization.

111333001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15904714466.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 111333001213 its reverse (312100333111), we get a palindrome (423433334324).

The spelling of 111333001213 in words is "one hundred eleven billion, three hundred thirty-three million, one thousand, two hundred thirteen".