223021100012321 has 16 divisors (see below), whose sum is σ = 241437182906304. Its totient is φ = 204785463605184.

The previous prime is 223021100012309. The next prime is 223021100012329. The reversal of 223021100012321 is 123210001120322.

It is a cyclic number.

It is not a de Polignac number, because 223021100012321 - 2²⁶ = 223021032903457 is a prime.

It is a super-2 number, since 2×223021100012321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223021100012293 and 223021100012302.

It is not an unprimeable number, because it can be changed into a prime (223021100012329) 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, 7450526 + ... + 22395368.

It is an arithmetic number, because the mean of its divisors is an integer number (15089823931644).

Almost surely, 2^{223021100012321} is an apocalyptic number.

It is an amenable number.

223021100012321 is a deficient number, since it is larger than the sum of its proper divisors (18416082893983).

223021100012321 is a wasteful number, since it uses less digits than its factorization.

223021100012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14950880.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 223021100012321 its reverse (123210001120322), we get a palindrome (346231101132643).

The spelling of 223021100012321 in words is "two hundred twenty-three trillion, twenty-one billion, one hundred million, twelve thousand, three hundred twenty-one".