21112233319 has 2 divisors, whose sum is σ = 21112233320. Its totient is φ = 21112233318.

The previous prime is 21112233283. The next prime is 21112233367. The reversal of 21112233319 is 91333221112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21112233319 - 2²⁹ = 20575362407 is a prime.

It is a super-2 number, since 2×21112233319² (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 (21112233719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556116659 + 10556116660.

It is an arithmetic number, because the mean of its divisors is an integer number (10556116660).

Almost surely, 2^21112233319 is an apocalyptic number.

21112233319 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112233319 is an equidigital number, since it uses as much as digits as its factorization.

21112233319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The spelling of 21112233319 in words is "twenty-one billion, one hundred twelve million, two hundred thirty-three thousand, three hundred nineteen".