1013021020223 has 4 divisors (see below), whose sum is σ = 1013028336840. Its totient is φ = 1013013703608.

The previous prime is 1013021020213. The next prime is 1013021020229. The reversal of 1013021020223 is 3220201203101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013021020223 - 2³⁶ = 944301543487 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 (1013021020229) 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, 3446540 + ... + 3728897.

It is an arithmetic number, because the mean of its divisors is an integer number (253257084210).

Almost surely, 2^{1013021020223} is an apocalyptic number.

1013021020223 is a deficient number, since it is larger than the sum of its proper divisors (7316617).

1013021020223 is an equidigital number, since it uses as much as digits as its factorization.

1013021020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316616.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1013021020223 its reverse (3220201203101), we get a palindrome (4233222223324).

The spelling of 1013021020223 in words is "one trillion, thirteen billion, twenty-one million, twenty thousand, two hundred twenty-three".