21020000119 has 2 divisors, whose sum is σ = 21020000120. Its totient is φ = 21020000118.

The previous prime is 21020000087. The next prime is 21020000123. The reversal of 21020000119 is 91100002012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21020000119 - 2⁵ = 21020000087 is a prime.

It is a super-2 number, since 2×21020000119² (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 (21020000189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10510000059 + 10510000060.

It is an arithmetic number, because the mean of its divisors is an integer number (10510000060).

Almost surely, 2^21020000119 is an apocalyptic number.

21020000119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21020000119 is an equidigital number, since it uses as much as digits as its factorization.

21020000119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 21020000119 in words is "twenty-one billion, twenty million, one hundred nineteen", and thus it is an aban number.