21301044201 has 16 divisors (see below), whose sum is σ = 31578909120. Its totient is φ = 14190883200.

The previous prime is 21301044199. The next prime is 21301044223. The reversal of 21301044201 is 10244010312.

21301044201 is a `hidden beast` number, since 213 + 0 + 10 + 442 + 0 + 1 = 666.

It is not a de Polignac number, because 21301044201 - 2¹ = 21301044199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21301044241) 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, 232680 + ... + 311033.

It is an arithmetic number, because the mean of its divisors is an integer number (1973681820).

Almost surely, 2^21301044201 is an apocalyptic number.

It is an amenable number.

21301044201 is a deficient number, since it is larger than the sum of its proper divisors (10277864919).

21301044201 is a wasteful number, since it uses less digits than its factorization.

21301044201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545173 (or 545167 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21301044201 its reverse (10244010312), we get a palindrome (31545054513).

The spelling of 21301044201 in words is "twenty-one billion, three hundred one million, forty-four thousand, two hundred one".