21313200201 has 16 divisors (see below), whose sum is σ = 29916364800. Its totient is φ = 13459573008.

The previous prime is 21313200193. The next prime is 21313200211. The reversal of 21313200201 is 10200231312.

It is not a de Polignac number, because 21313200201 - 2³ = 21313200193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21313200211) 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 in 15 ways as a sum of consecutive naturals, for example, 1018320 + ... + 1039038.

It is an arithmetic number, because the mean of its divisors is an integer number (1869772800).

Almost surely, 2^21313200201 is an apocalyptic number.

It is an amenable number.

21313200201 is a deficient number, since it is larger than the sum of its proper divisors (8603164599).

21313200201 is a wasteful number, since it uses less digits than its factorization.

21313200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38788.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21313200201 its reverse (10200231312), we get a palindrome (31513431513).

The spelling of 21313200201 in words is "twenty-one billion, three hundred thirteen million, two hundred thousand, two hundred one".