21013322310003 has 8 divisors (see below), whose sum is σ = 28024608384208. Its totient is φ = 14005458887904.

The previous prime is 21013322309989. The next prime is 21013322310017. The reversal of 21013322310003 is 30001322331012.

It is an interprime number because it is at equal distance from previous prime (21013322309989) and next prime (21013322310017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21013322310003 - 2⁸ = 21013322309747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21013322310103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855648700 + ... + 855673257.

It is an arithmetic number, because the mean of its divisors is an integer number (3503076048026).

Almost surely, 2^{21013322310003} is an apocalyptic number.

21013322310003 is a deficient number, since it is larger than the sum of its proper divisors (7011286074205).

21013322310003 is a wasteful number, since it uses less digits than its factorization.

21013322310003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711326053.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21013322310003 its reverse (30001322331012), we get a palindrome (51014644641015).

The spelling of 21013322310003 in words is "twenty-one trillion, thirteen billion, three hundred twenty-two million, three hundred ten thousand, three".