111321223133 has 2 divisors, whose sum is σ = 111321223134. Its totient is φ = 111321223132.

The previous prime is 111321223127. The next prime is 111321223157. The reversal of 111321223133 is 331322123111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106502364409 + 4818858724 = 326347^2 + 69418^2 .

It is a cyclic number.

It is not a de Polignac number, because 111321223133 - 2³⁴ = 94141353949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111321223099 and 111321223108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111321223333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660611566 + 55660611567.

It is an arithmetic number, because the mean of its divisors is an integer number (55660611567).

Almost surely, 2^111321223133 is an apocalyptic number.

It is an amenable number.

111321223133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111321223133 is an equidigital number, since it uses as much as digits as its factorization.

111321223133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

Adding to 111321223133 its reverse (331322123111), we get a palindrome (442643346244).

The spelling of 111321223133 in words is "one hundred eleven billion, three hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty-three".