2123222321009 has 8 divisors (see below), whose sum is σ = 2235315312480. Its totient is φ = 2011163774400.

The previous prime is 2123222320991. The next prime is 2123222321027. The reversal of 2123222321009 is 9001232223212.

It is an interprime number because it is at equal distance from previous prime (2123222320991) and next prime (2123222321027).

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 2123222321009 - 2²⁸ = 2122953885553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123222321069) 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, 8484632 + ... + 8731289.

It is an arithmetic number, because the mean of its divisors is an integer number (279414414060).

Almost surely, 2^{2123222321009} is an apocalyptic number.

It is an amenable number.

2123222321009 is a deficient number, since it is larger than the sum of its proper divisors (112092991471).

2123222321009 is a wasteful number, since it uses less digits than its factorization.

2123222321009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17222431.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 2123222321009 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-two million, three hundred twenty-one thousand, nine".