2211233333233 has 2 divisors, whose sum is σ = 2211233333234. Its totient is φ = 2211233333232.

The previous prime is 2211233333173. The next prime is 2211233333297. The reversal of 2211233333233 is 3323333321122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1739054087824 + 472179245409 = 1318732^2 + 687153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211233333233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211233333195 and 2211233333204.

It is not a weakly prime, because it can be changed into another prime (2211233333633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105616666616 + 1105616666617.

It is an arithmetic number, because the mean of its divisors is an integer number (1105616666617).

Almost surely, 2^{2211233333233} is an apocalyptic number.

It is an amenable number.

2211233333233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211233333233 is an equidigital number, since it uses as much as digits as its factorization.

2211233333233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 31.

Adding to 2211233333233 its reverse (3323333321122), we get a palindrome (5534566654355).

The spelling of 2211233333233 in words is "two trillion, two hundred eleven billion, two hundred thirty-three million, three hundred thirty-three thousand, two hundred thirty-three".