21333310000001 has 4 divisors (see below), whose sum is σ = 21333319246272. Its totient is φ = 21333300753732.

The previous prime is 21333309999979. The next prime is 21333310000021. The reversal of 21333310000001 is 10000001333312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 21333310000001 - 2¹⁰ = 21333309998977 is a prime.

It is a super-2 number, since 2×21333310000001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21333310000021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011316 + ... + 6834618.

It is an arithmetic number, because the mean of its divisors is an integer number (5333329811568).

Almost surely, 2^{21333310000001} is an apocalyptic number.

It is an amenable number.

21333310000001 is a deficient number, since it is larger than the sum of its proper divisors (9246271).

21333310000001 is an equidigital number, since it uses as much as digits as its factorization.

21333310000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246270.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 21333310000001 its reverse (10000001333312), we get a palindrome (31333311333313).

The spelling of 21333310000001 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred ten million, one", and thus it is an aban number.