21322130112203 has 4 divisors (see below), whose sum is σ = 21326376707568. Its totient is φ = 21317883516840.

The previous prime is 21322130112187. The next prime is 21322130112223. The reversal of 21322130112203 is 30221103122312.

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 21322130112203 - 2⁴ = 21322130112187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322130112223) 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, 2123290151 + ... + 2123300192.

It is an arithmetic number, because the mean of its divisors is an integer number (5331594176892).

Almost surely, 2^{21322130112203} is an apocalyptic number.

21322130112203 is a deficient number, since it is larger than the sum of its proper divisors (4246595365).

21322130112203 is an equidigital number, since it uses as much as digits as its factorization.

21322130112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246595364.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21322130112203 its reverse (30221103122312), we get a palindrome (51543233234515).

The spelling of 21322130112203 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred thirty million, one hundred twelve thousand, two hundred three".