3211221020233 has 2 divisors, whose sum is σ = 3211221020234. Its totient is φ = 3211221020232.

The previous prime is 3211221020213. The next prime is 3211221020237. The reversal of 3211221020233 is 3320201221123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2018763572224 + 1192457448009 = 1420832^2 + 1091997^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211221020233 - 2⁵ = 3211221020201 is a prime.

It is not a weakly prime, because it can be changed into another prime (3211221020237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605610510116 + 1605610510117.

It is an arithmetic number, because the mean of its divisors is an integer number (1605610510117).

Almost surely, 2^{3211221020233} is an apocalyptic number.

It is an amenable number.

3211221020233 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211221020233 is an equidigital number, since it uses as much as digits as its factorization.

3211221020233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3211221020233 its reverse (3320201221123), we get a palindrome (6531422241356).

The spelling of 3211221020233 in words is "three trillion, two hundred eleven billion, two hundred twenty-one million, twenty thousand, two hundred thirty-three".