21222021021119 has 2 divisors, whose sum is σ = 21222021021120. Its totient is φ = 21222021021118.

The previous prime is 21222021021101. The next prime is 21222021021127. The reversal of 21222021021119 is 91112012022212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21222021021119 - 2²⁴ = 21222004243903 is a prime.

It is a super-2 number, since 2×21222021021119² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21222021021419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611010510559 + 10611010510560.

It is an arithmetic number, because the mean of its divisors is an integer number (10611010510560).

Almost surely, 2^{21222021021119} is an apocalyptic number.

21222021021119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222021021119 is an equidigital number, since it uses as much as digits as its factorization.

21222021021119 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 21222021021119 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-one million, twenty-one thousand, one hundred nineteen".