223230210321221 has 16 divisors (see below), whose sum is σ = 242560220643840. Its totient is φ = 204658365864960.

The previous prime is 223230210321133. The next prime is 223230210321227. The reversal of 223230210321221 is 122123012032322.

223230210321221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 223230210321221 - 2³⁴ = 223213030452037 is a prime.

It is a super-3 number, since 3×223230210321221³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223230210321227) 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, 156691121 + ... + 158109353.

It is an arithmetic number, because the mean of its divisors is an integer number (15160013790240).

Almost surely, 2^{223230210321221} is an apocalyptic number.

It is an amenable number.

223230210321221 is a deficient number, since it is larger than the sum of its proper divisors (19330010322619).

223230210321221 is a wasteful number, since it uses less digits than its factorization.

223230210321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685516.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 223230210321221 its reverse (122123012032322), we get a palindrome (345353222353543).

The spelling of 223230210321221 in words is "two hundred twenty-three trillion, two hundred thirty billion, two hundred ten million, three hundred twenty-one thousand, two hundred twenty-one".