21132001003033 has 4 divisors (see below), whose sum is σ = 22244211582160. Its totient is φ = 20019790423908.

The previous prime is 21132001003019. The next prime is 21132001003063. The reversal of 21132001003033 is 33030010023112.

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 not a de Polignac number, because 21132001003033 - 2²¹ = 21131998905881 is a prime.

It is a super-2 number, since 2×21132001003033² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1112210579107 = 21132001003033 / (2 + 1 + 1 + 3 + 2 + 0 + 0 + 1 + 0 + 0 + 3 + 0 + 3 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21132001003033.

It is not an unprimeable number, because it can be changed into a prime (21132001003063) 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, 556105289535 + ... + 556105289572.

It is an arithmetic number, because the mean of its divisors is an integer number (5561052895540).

Almost surely, 2^{21132001003033} is an apocalyptic number.

It is an amenable number.

21132001003033 is a deficient number, since it is larger than the sum of its proper divisors (1112210579127).

21132001003033 is a wasteful number, since it uses less digits than its factorization.

21132001003033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112210579126.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21132001003033 its reverse (33030010023112), we get a palindrome (54162011026145).

The spelling of 21132001003033 in words is "twenty-one trillion, one hundred thirty-two billion, one million, three thousand, thirty-three".