21112208119 has 2 divisors, whose sum is σ = 21112208120. Its totient is φ = 21112208118.

The previous prime is 21112208041. The next prime is 21112208129. The reversal of 21112208119 is 91180221112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21112208119 is a prime.

It is a super-2 number, since 2×21112208119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21112208129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556104059 + 10556104060.

It is an arithmetic number, because the mean of its divisors is an integer number (10556104060).

Almost surely, 2^21112208119 is an apocalyptic number.

21112208119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112208119 is an equidigital number, since it uses as much as digits as its factorization.

21112208119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 21112208119 in words is "twenty-one billion, one hundred twelve million, two hundred eight thousand, one hundred nineteen".