22221121020199 has 2 divisors, whose sum is σ = 22221121020200. Its totient is φ = 22221121020198.

The previous prime is 22221121020143. The next prime is 22221121020223. The reversal of 22221121020199 is 99102012112222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221121020199 - 2³⁵ = 22186761281831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221121020799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110560510099 + 11110560510100.

It is an arithmetic number, because the mean of its divisors is an integer number (11110560510100).

Almost surely, 2^{22221121020199} is an apocalyptic number.

22221121020199 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221121020199 is an equidigital number, since it uses as much as digits as its factorization.

22221121020199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 22221121020199 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, twenty thousand, one hundred ninety-nine".