21222001210199 has 2 divisors, whose sum is σ = 21222001210200. Its totient is φ = 21222001210198.

The previous prime is 21222001210183. The next prime is 21222001210217. The reversal of 21222001210199 is 99101210022212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21222001210199 - 2⁴ = 21222001210183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21222001210139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611000605099 + 10611000605100.

It is an arithmetic number, because the mean of its divisors is an integer number (10611000605100).

Almost surely, 2^{21222001210199} is an apocalyptic number.

21222001210199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222001210199 is an equidigital number, since it uses as much as digits as its factorization.

21222001210199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 21222001210199 in words is "twenty-one trillion, two hundred twenty-two billion, one million, two hundred ten thousand, one hundred ninety-nine".