21023340119 has 2 divisors, whose sum is σ = 21023340120. Its totient is φ = 21023340118.

The previous prime is 21023340061. The next prime is 21023340133. The reversal of 21023340119 is 91104332012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21023340119 - 2⁸ = 21023339863 is a prime.

It is a super-2 number, since 2×21023340119² (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 (21020340119) 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, 10511670059 + 10511670060.

It is an arithmetic number, because the mean of its divisors is an integer number (10511670060).

Almost surely, 2^21023340119 is an apocalyptic number.

21023340119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21023340119 is an equidigital number, since it uses as much as digits as its factorization.

21023340119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 21023340119 in words is "twenty-one billion, twenty-three million, three hundred forty thousand, one hundred nineteen".