222103324322221 has 4 divisors (see below), whose sum is σ = 222125230173600. Its totient is φ = 222081418470844.

The previous prime is 222103324322197. The next prime is 222103324322233. The reversal of 222103324322221 is 122223423301222.

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 222103324322221 - 2¹⁵ = 222103324289453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222103324322281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10952910481 + ... + 10952930758.

It is an arithmetic number, because the mean of its divisors is an integer number (55531307543400).

Almost surely, 2^{222103324322221} is an apocalyptic number.

It is an amenable number.

222103324322221 is a deficient number, since it is larger than the sum of its proper divisors (21905851379).

222103324322221 is a wasteful number, since it uses less digits than its factorization.

222103324322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21905851378.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 222103324322221 its reverse (122223423301222), we get a palindrome (344326747623443).

The spelling of 222103324322221 in words is "two hundred twenty-two trillion, one hundred three billion, three hundred twenty-four million, three hundred twenty-two thousand, two hundred twenty-one".