1021010100233 has 2 divisors, whose sum is σ = 1021010100234. Its totient is φ = 1021010100232.

The previous prime is 1021010100197. The next prime is 1021010100263. The reversal of 1021010100233 is 3320010101201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017893334649 + 3116765584 = 1008907^2 + 55828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021010100233 - 2²⁸ = 1020741664777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021010100263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510505050116 + 510505050117.

It is an arithmetic number, because the mean of its divisors is an integer number (510505050117).

Almost surely, 2^{1021010100233} is an apocalyptic number.

It is an amenable number.

1021010100233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021010100233 is an equidigital number, since it uses as much as digits as its factorization.

1021010100233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1021010100233 its reverse (3320010101201), we get a palindrome (4341020201434).

The spelling of 1021010100233 in words is "one trillion, twenty-one billion, ten million, one hundred thousand, two hundred thirty-three".