111113213333 has 2 divisors, whose sum is σ = 111113213334. Its totient is φ = 111113213332.

The previous prime is 111113213291. The next prime is 111113213339. The reversal of 111113213333 is 333312311111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91401614929 + 19711598404 = 302327^2 + 140398^2 .

It is a cyclic number.

It is not a de Polignac number, because 111113213333 - 2³² = 106818246037 is a prime.

It is a super-2 number, since 2×111113213333² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111113213299 and 111113213308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111113213339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556606666 + 55556606667.

It is an arithmetic number, because the mean of its divisors is an integer number (55556606667).

Almost surely, 2^111113213333 is an apocalyptic number.

It is an amenable number.

111113213333 is a deficient number, since it is larger than the sum of its proper divisors (1).

111113213333 is an equidigital number, since it uses as much as digits as its factorization.

111113213333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 23.

Adding to 111113213333 its reverse (333312311111), we get a palindrome (444425524444).

The spelling of 111113213333 in words is "one hundred eleven billion, one hundred thirteen million, two hundred thirteen thousand, three hundred thirty-three".