21132119 has 2 divisors, whose sum is σ = 21132120. Its totient is φ = 21132118.

The previous prime is 21132103. The next prime is 21132127. The reversal of 21132119 is 91123112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21132119 - 2⁴ = 21132103 is a prime.

It is a super-2 number, since 2×21132119² = 893132906860322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21132119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21132719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566059 + 10566060.

It is an arithmetic number, because the mean of its divisors is an integer number (10566060).

Almost surely, 2^21132119 is an apocalyptic number.

21132119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21132119 is an equidigital number, since it uses as much as digits as its factorization.

21132119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 20.

The square root of 21132119 is about 4596.9684575816. The cubic root of 21132119 is about 276.4697899364.

The spelling of 21132119 in words is "twenty-one million, one hundred thirty-two thousand, one hundred nineteen".