21322301201 has 16 divisors (see below), whose sum is σ = 23136399360. Its totient is φ = 19585429200.

The previous prime is 21322301191. The next prime is 21322301219. The reversal of 21322301201 is 10210322312.

It is a cyclic number.

It is not a de Polignac number, because 21322301201 - 2²⁶ = 21255192337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21322301201.

It is not an unprimeable number, because it can be changed into a prime (21322301251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16025 + ... + 207126.

It is an arithmetic number, because the mean of its divisors is an integer number (1446024960).

Almost surely, 2^21322301201 is an apocalyptic number.

It is an amenable number.

21322301201 is a deficient number, since it is larger than the sum of its proper divisors (1814098159).

21322301201 is a wasteful number, since it uses less digits than its factorization.

21322301201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223324.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21322301201 its reverse (10210322312), we get a palindrome (31532623513).

The spelling of 21322301201 in words is "twenty-one billion, three hundred twenty-two million, three hundred one thousand, two hundred one".