21022302013 has 8 divisors (see below), whose sum is σ = 21938735808. Its totient is φ = 20106069984.

The previous prime is 21022301969. The next prime is 21022302071. The reversal of 21022302013 is 31020322012.

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

It is a cyclic number.

It is not a de Polignac number, because 21022302013 - 2²⁵ = 20988747581 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 (21022303013) 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, 186145 + ... + 276937.

It is an arithmetic number, because the mean of its divisors is an integer number (2742341976).

Almost surely, 2^21022302013 is an apocalyptic number.

21022302013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21022302013 is a deficient number, since it is larger than the sum of its proper divisors (916433795).

21022302013 is a wasteful number, since it uses less digits than its factorization.

21022302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100883.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21022302013 its reverse (31020322012), we get a palindrome (52042624025).

The spelling of 21022302013 in words is "twenty-one billion, twenty-two million, three hundred two thousand, thirteen".