21132223022223 has 8 divisors (see below), whose sum is σ = 31306997070000. Its totient is φ = 14088148681464.

The previous prime is 21132223022219. The next prime is 21132223022227. The reversal of 21132223022223 is 32222032223112.

21132223022223 is a `hidden beast` number, since 2 + 1 + 132 + 2 + 2 + 302 + 2 + 223 = 666.

It is an interprime number because it is at equal distance from previous prime (21132223022219) and next prime (21132223022227).

It is not a de Polignac number, because 21132223022223 - 2² = 21132223022219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 782674926749 = 21132223022223 / (2 + 1 + 1 + 3 + 2 + 2 + 2 + 3 + 0 + 2 + 2 + 2 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132223022227) 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, 391337463348 + ... + 391337463401.

It is an arithmetic number, because the mean of its divisors is an integer number (3913374633750).

Almost surely, 2^{21132223022223} is an apocalyptic number.

21132223022223 is a deficient number, since it is larger than the sum of its proper divisors (10174774047777).

21132223022223 is an equidigital number, since it uses as much as digits as its factorization.

21132223022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782674926758 (or 782674926752 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 21132223022223 its reverse (32222032223112), we get a palindrome (53354255245335).

The spelling of 21132223022223 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred twenty-three million, twenty-two thousand, two hundred twenty-three".