1013023330021 has 4 divisors (see below), whose sum is σ = 1017261921600. Its totient is φ = 1008784738444.

The previous prime is 1013023330019. The next prime is 1013023330037. The reversal of 1013023330021 is 1200333203101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013023330021 - 2¹ = 1013023330019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013023330001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119295431 + ... + 2119295908.

It is an arithmetic number, because the mean of its divisors is an integer number (254315480400).

Almost surely, 2^{1013023330021} is an apocalyptic number.

It is an amenable number.

1013023330021 is a deficient number, since it is larger than the sum of its proper divisors (4238591579).

1013023330021 is an equidigital number, since it uses as much as digits as its factorization.

1013023330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238591578.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1013023330021 its reverse (1200333203101), we get a palindrome (2213356533122).

The spelling of 1013023330021 in words is "one trillion, thirteen billion, twenty-three million, three hundred thirty thousand, twenty-one".