222321103221 has 32 divisors (see below), whose sum is σ = 349874380800. Its totient is φ = 122882379840.

The previous prime is 222321103063. The next prime is 222321103223. The reversal of 222321103221 is 122301123222.

It is not a de Polignac number, because 222321103221 - 2¹¹ = 222321101173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222321103223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1264390 + ... + 1429448.

It is an arithmetic number, because the mean of its divisors is an integer number (10933574400).

Almost surely, 2^222321103221 is an apocalyptic number.

222321103221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222321103221 is a deficient number, since it is larger than the sum of its proper divisors (127553277579).

222321103221 is a wasteful number, since it uses less digits than its factorization.

222321103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167169.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222321103221 its reverse (122301123222), we get a palindrome (344622226443).

The spelling of 222321103221 in words is "two hundred twenty-two billion, three hundred twenty-one million, one hundred three thousand, two hundred twenty-one".