1021133331233 has 2 divisors, whose sum is σ = 1021133331234. Its totient is φ = 1021133331232.

The previous prime is 1021133331221. The next prime is 1021133331293. The reversal of 1021133331233 is 3321333311201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948377979409 + 72755351824 = 973847^2 + 269732^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021133331233 - 2¹⁴ = 1021133314849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021133331293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510566665616 + 510566665617.

It is an arithmetic number, because the mean of its divisors is an integer number (510566665617).

Almost surely, 2^{1021133331233} is an apocalyptic number.

It is an amenable number.

1021133331233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021133331233 is an equidigital number, since it uses as much as digits as its factorization.

1021133331233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1021133331233 its reverse (3321333311201), we get a palindrome (4342466642434).

The spelling of 1021133331233 in words is "one trillion, twenty-one billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred thirty-three".