111212322233 has 2 divisors, whose sum is σ = 111212322234. Its totient is φ = 111212322232.

The previous prime is 111212322173. The next prime is 111212322241. The reversal of 111212322233 is 332223212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69679105024 + 41533217209 = 263968^2 + 203797^2 .

It is a cyclic number.

It is not a de Polignac number, because 111212322233 - 2³² = 106917354937 is a prime.

It is a super-2 number, since 2×111212322233² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111212322199 and 111212322208.

It is not a weakly prime, because it can be changed into another prime (111212322293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606161116 + 55606161117.

It is an arithmetic number, because the mean of its divisors is an integer number (55606161117).

Almost surely, 2^111212322233 is an apocalyptic number.

It is an amenable number.

111212322233 is a deficient number, since it is larger than the sum of its proper divisors (1).

111212322233 is an equidigital number, since it uses as much as digits as its factorization.

111212322233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

Adding to 111212322233 its reverse (332223212111), we get a palindrome (443435534344).

The spelling of 111212322233 in words is "one hundred eleven billion, two hundred twelve million, three hundred twenty-two thousand, two hundred thirty-three".