21022120112219 has 2 divisors, whose sum is σ = 21022120112220. Its totient is φ = 21022120112218.

The previous prime is 21022120112197. The next prime is 21022120112237. The reversal of 21022120112219 is 91221102122012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21022120112219 - 2¹² = 21022120108123 is a prime.

It is a super-2 number, since 2×21022120112219² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (21022120112239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511060056109 + 10511060056110.

It is an arithmetic number, because the mean of its divisors is an integer number (10511060056110).

Almost surely, 2^{21022120112219} is an apocalyptic number.

21022120112219 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022120112219 is an equidigital number, since it uses as much as digits as its factorization.

21022120112219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 21022120112219 in words is "twenty-one trillion, twenty-two billion, one hundred twenty million, one hundred twelve thousand, two hundred nineteen".