21223310132003 has 16 divisors (see below), whose sum is σ = 25534052382720. Its totient is φ = 17232446886336.

The previous prime is 21223310131987. The next prime is 21223310132009. The reversal of 21223310132003 is 30023101332212.

It is a cyclic number.

It is not a de Polignac number, because 21223310132003 - 2⁴ = 21223310131987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21223310132003.

It is not an unprimeable number, because it can be changed into a prime (21223310132009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5517875 + ... + 8537772.

It is an arithmetic number, because the mean of its divisors is an integer number (1595878273920).

Almost surely, 2^{21223310132003} is an apocalyptic number.

21223310132003 is a deficient number, since it is larger than the sum of its proper divisors (4310742250717).

21223310132003 is a wasteful number, since it uses less digits than its factorization.

21223310132003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067026.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21223310132003 its reverse (30023101332212), we get a palindrome (51246411464215).

The spelling of 21223310132003 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred ten million, one hundred thirty-two thousand, three".