22221121020223 has 2 divisors, whose sum is σ = 22221121020224. Its totient is φ = 22221121020222.

The previous prime is 22221121020199. The next prime is 22221121020251. The reversal of 22221121020223 is 32202012112222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22221121020223 - 2⁹ = 22221121019711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221121020194 and 22221121020203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221121020253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110560510111 + 11110560510112.

It is an arithmetic number, because the mean of its divisors is an integer number (11110560510112).

Almost surely, 2^{22221121020223} is an apocalyptic number.

22221121020223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221121020223 is an equidigital number, since it uses as much as digits as its factorization.

22221121020223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22221121020223 its reverse (32202012112222), we get a palindrome (54423133132445).

The spelling of 22221121020223 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, twenty thousand, two hundred twenty-three".