21103233059 has 2 divisors, whose sum is σ = 21103233060. Its totient is φ = 21103233058.

The previous prime is 21103232957. The next prime is 21103233071. The reversal of 21103233059 is 95033230112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21103233059 - 2¹² = 21103228963 is a prime.

It is not a weakly prime, because it can be changed into another prime (21103233559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10551616529 + 10551616530.

It is an arithmetic number, because the mean of its divisors is an integer number (10551616530).

Almost surely, 2^21103233059 is an apocalyptic number.

21103233059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21103233059 is an equidigital number, since it uses as much as digits as its factorization.

21103233059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The spelling of 21103233059 in words is "twenty-one billion, one hundred three million, two hundred thirty-three thousand, fifty-nine".