21332013201 has 16 divisors (see below), whose sum is σ = 31605998400. Its totient is φ = 14219985024.

The previous prime is 21332013191. The next prime is 21332013223. The reversal of 21332013201 is 10231023312.

21332013201 is a `hidden beast` number, since 21 + 3 + 320 + 1 + 320 + 1 = 666.

It is not a de Polignac number, because 21332013201 - 2¹¹ = 21332011153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21332013271) 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 in 15 ways as a sum of consecutive naturals, for example, 308170 + ... + 370988.

It is an arithmetic number, because the mean of its divisors is an integer number (1975374900).

Almost surely, 2^21332013201 is an apocalyptic number.

It is an amenable number.

21332013201 is a deficient number, since it is larger than the sum of its proper divisors (10273985199).

21332013201 is a wasteful number, since it uses less digits than its factorization.

21332013201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75405 (or 75399 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21332013201 its reverse (10231023312), we get a palindrome (31563036513).

The spelling of 21332013201 in words is "twenty-one billion, three hundred thirty-two million, thirteen thousand, two hundred one".