21054303301 has 4 divisors (see below), whose sum is σ = 21195607500. Its totient is φ = 20912999104.

The previous prime is 21054303299. The next prime is 21054303317. The reversal of 21054303301 is 10330345012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 876100801 + 20178202500 = 29599^2 + 142050^2 .

It is a cyclic number.

It is not a de Polignac number, because 21054303301 - 2¹ = 21054303299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21054303001) 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 3 ways as a sum of consecutive naturals, for example, 70651876 + ... + 70652173.

It is an arithmetic number, because the mean of its divisors is an integer number (5298901875).

Almost surely, 2^21054303301 is an apocalyptic number.

It is an amenable number.

21054303301 is a deficient number, since it is larger than the sum of its proper divisors (141304199).

21054303301 is a wasteful number, since it uses less digits than its factorization.

21054303301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141304198.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 21054303301 its reverse (10330345012), we get a palindrome (31384648313).

The spelling of 21054303301 in words is "twenty-one billion, fifty-four million, three hundred three thousand, three hundred one".