21333003010001 has 4 divisors (see below), whose sum is σ = 21333039607152. Its totient is φ = 21332966412852.

The previous prime is 21333003009973. The next prime is 21333003010013. The reversal of 21333003010001 is 10001030033312.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21333003010001 is a prime.

It is a super-2 number, since 2×21333003010001² (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 (21333003010031) 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, 17409815 + ... + 18594828.

It is an arithmetic number, because the mean of its divisors is an integer number (5333259901788).

Almost surely, 2^{21333003010001} is an apocalyptic number.

It is an amenable number.

21333003010001 is a deficient number, since it is larger than the sum of its proper divisors (36597151).

21333003010001 is an equidigital number, since it uses as much as digits as its factorization.

21333003010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36597150.

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

Adding to 21333003010001 its reverse (10001030033312), we get a palindrome (31334033043313).

The spelling of 21333003010001 in words is "twenty-one trillion, three hundred thirty-three billion, three million, ten thousand, one".