223031103221 has 4 divisors (see below), whose sum is σ = 223748245344. Its totient is φ = 222313961100.

The previous prime is 223031103179. The next prime is 223031103277. The reversal of 223031103221 is 122301130322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223031103221 - 2³⁴ = 205851234037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223031103193 and 223031103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223031703221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358570595 + ... + 358571216.

It is an arithmetic number, because the mean of its divisors is an integer number (55937061336).

Almost surely, 2^223031103221 is an apocalyptic number.

It is an amenable number.

223031103221 is a deficient number, since it is larger than the sum of its proper divisors (717142123).

223031103221 is an equidigital number, since it uses as much as digits as its factorization.

223031103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717142122.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223031103221 its reverse (122301130322), we get a palindrome (345332233543).

The spelling of 223031103221 in words is "two hundred twenty-three billion, thirty-one million, one hundred three thousand, two hundred twenty-one".