3311111233321 has 2 divisors, whose sum is σ = 3311111233322. Its totient is φ = 3311111233320.

The previous prime is 3311111233307. The next prime is 3311111233393. The reversal of 3311111233321 is 1233321111133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2046790896921 + 1264320336400 = 1430661^2 + 1124420^2 .

It is a cyclic number.

It is not a de Polignac number, because 3311111233321 - 2²³ = 3311102844713 is a prime.

It is not a weakly prime, because it can be changed into another prime (3311111233621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655555616660 + 1655555616661.

It is an arithmetic number, because the mean of its divisors is an integer number (1655555616661).

Almost surely, 2^{3311111233321} is an apocalyptic number.

It is an amenable number.

3311111233321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3311111233321 is an equidigital number, since it uses as much as digits as its factorization.

3311111233321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 25.

Adding to 3311111233321 its reverse (1233321111133), we get a palindrome (4544432344454).

The spelling of 3311111233321 in words is "three trillion, three hundred eleven billion, one hundred eleven million, two hundred thirty-three thousand, three hundred twenty-one".