1013033300021 has 2 divisors, whose sum is σ = 1013033300022. Its totient is φ = 1013033300020.

The previous prime is 1013033300017. The next prime is 1013033300131. The reversal of 1013033300021 is 1200033303101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 664614627121 + 348418672900 = 815239^2 + 590270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013033300021 - 2² = 1013033300017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013033300821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506516650010 + 506516650011.

It is an arithmetic number, because the mean of its divisors is an integer number (506516650011).

Almost surely, 2^{1013033300021} is an apocalyptic number.

It is an amenable number.

1013033300021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013033300021 is an equidigital number, since it uses as much as digits as its factorization.

1013033300021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1013033300021 its reverse (1200033303101), we get a palindrome (2213066603122).

The spelling of 1013033300021 in words is "one trillion, thirteen billion, thirty-three million, three hundred thousand, twenty-one".