21331200119 has 2 divisors, whose sum is σ = 21331200120. Its totient is φ = 21331200118.

The previous prime is 21331200091. The next prime is 21331200157. The reversal of 21331200119 is 91100213312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21331200119 - 2⁸ = 21331199863 is a prime.

It is a super-2 number, since 2×21331200119² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21331200094 and 21331200103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21331200419) 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, 10665600059 + 10665600060.

It is an arithmetic number, because the mean of its divisors is an integer number (10665600060).

Almost surely, 2^21331200119 is an apocalyptic number.

21331200119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21331200119 is an equidigital number, since it uses as much as digits as its factorization.

21331200119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 21331200119 in words is "twenty-one billion, three hundred thirty-one million, two hundred thousand, one hundred nineteen".