21322401133 has 8 divisors (see below), whose sum is σ = 23313314016. Its totient is φ = 19340240400.

The previous prime is 21322401127. The next prime is 21322401157. The reversal of 21322401133 is 33110422312.

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 21322401133 - 2⁹ = 21322400621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322401833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182938 + ... + 2192683.

It is an arithmetic number, because the mean of its divisors is an integer number (2914164252).

Almost surely, 2^21322401133 is an apocalyptic number.

It is an amenable number.

21322401133 is a deficient number, since it is larger than the sum of its proper divisors (1990912883).

21322401133 is a wasteful number, since it uses less digits than its factorization.

21322401133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376075.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21322401133 its reverse (33110422312), we get a palindrome (54432823445).

The spelling of 21322401133 in words is "twenty-one billion, three hundred twenty-two million, four hundred one thousand, one hundred thirty-three".