1021000089233 has 2 divisors, whose sum is σ = 1021000089234. Its totient is φ = 1021000089232.

The previous prime is 1021000089229. The next prime is 1021000089283. The reversal of 1021000089233 is 3329800001201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 551539419649 + 469460669584 = 742657^2 + 685172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021000089233 - 2² = 1021000089229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021000089196 and 1021000089205.

It is not a weakly prime, because it can be changed into another prime (1021000089283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510500044616 + 510500044617.

It is an arithmetic number, because the mean of its divisors is an integer number (510500044617).

Almost surely, 2^{1021000089233} is an apocalyptic number.

It is an amenable number.

1021000089233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021000089233 is an equidigital number, since it uses as much as digits as its factorization.

1021000089233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 1021000089233 in words is "one trillion, twenty-one billion, eighty-nine thousand, two hundred thirty-three".