21323010201 has 16 divisors (see below), whose sum is σ = 29213424768. Its totient is φ = 13824345600.

The previous prime is 21323010173. The next prime is 21323010229. The reversal of 21323010201 is 10201032312.

It is an interprime number because it is at equal distance from previous prime (21323010173) and next prime (21323010229).

It is not a de Polignac number, because 21323010201 - 2¹⁴ = 21322993817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21323010601) 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, 184836 + ... + 277146.

It is an arithmetic number, because the mean of its divisors is an integer number (1825839048).

Almost surely, 2^21323010201 is an apocalyptic number.

It is an amenable number.

21323010201 is a deficient number, since it is larger than the sum of its proper divisors (7890414567).

21323010201 is a wasteful number, since it uses less digits than its factorization.

21323010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94432.

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

Adding to 21323010201 its reverse (10201032312), we get a palindrome (31524042513).

The spelling of 21323010201 in words is "twenty-one billion, three hundred twenty-three million, ten thousand, two hundred one".