21333321301 has 16 divisors (see below), whose sum is σ = 23383684800. Its totient is φ = 19372324608.

The previous prime is 21333321281. The next prime is 21333321323. The reversal of 21333321301 is 10312333312.

It is a cyclic number.

It is not a de Polignac number, because 21333321301 - 2²¹ = 21331224149 is a prime.

It is a super-2 number, since 2×21333321301² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333321371) 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, 716530 + ... + 745708.

It is an arithmetic number, because the mean of its divisors is an integer number (1461480300).

Almost surely, 2^21333321301 is an apocalyptic number.

It is an amenable number.

21333321301 is a deficient number, since it is larger than the sum of its proper divisors (2050363499).

21333321301 is a wasteful number, since it uses less digits than its factorization.

21333321301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30708.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21333321301 its reverse (10312333312), we get a palindrome (31645654613).

The spelling of 21333321301 in words is "twenty-one billion, three hundred thirty-three million, three hundred twenty-one thousand, three hundred one".