21402004133033 has 8 divisors (see below), whose sum is σ = 21434263003200. Its totient is φ = 21369764765808.

The previous prime is 21402004133011. The next prime is 21402004133053. The reversal of 21402004133033 is 33033140020412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21402004133033 - 2²² = 21401999938729 is a prime.

It is a super-2 number, since 2×21402004133033² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21402004132993 and 21402004133011.

It is not an unprimeable number, because it can be changed into a prime (21402004133053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678591 + ... + 7069572.

It is an arithmetic number, because the mean of its divisors is an integer number (2679282875400).

Almost surely, 2^{21402004133033} is an apocalyptic number.

It is an amenable number.

21402004133033 is a deficient number, since it is larger than the sum of its proper divisors (32258870167).

21402004133033 is an equidigital number, since it uses as much as digits as its factorization.

21402004133033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9751471.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21402004133033 its reverse (33033140020412), we get a palindrome (54435144153445).

The spelling of 21402004133033 in words is "twenty-one trillion, four hundred two billion, four million, one hundred thirty-three thousand, thirty-three".