21227110329 has 8 divisors (see below), whose sum is σ = 28782522720. Its totient is φ = 13911552416.

The previous prime is 21227110291. The next prime is 21227110337. The reversal of 21227110329 is 92301172212.

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

It is not a de Polignac number, because 21227110329 - 2⁹ = 21227109817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21227110296 and 21227110305.

It is not an unprimeable number, because it can be changed into a prime (21227110349) 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, 59963412 + ... + 59963765.

It is an arithmetic number, because the mean of its divisors is an integer number (3597815340).

Almost surely, 2^21227110329 is an apocalyptic number.

It is an amenable number.

21227110329 is a deficient number, since it is larger than the sum of its proper divisors (7555412391).

21227110329 is a wasteful number, since it uses less digits than its factorization.

21227110329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119927239.

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 21227110329 in words is "twenty-one billion, two hundred twenty-seven million, one hundred ten thousand, three hundred twenty-nine".