21322142334403 has 8 divisors (see below), whose sum is σ = 21414316040208. Its totient is φ = 21229974290304.

The previous prime is 21322142334347. The next prime is 21322142334527. The reversal of 21322142334403 is 30443324122312.

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 21322142334403 - 2¹⁷ = 21322142203331 is a prime.

It is a super-4 number, since 4×21322142334403⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322142334203) 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, 6221775 + ... + 9019687.

It is an arithmetic number, because the mean of its divisors is an integer number (2676789505026).

Almost surely, 2^{21322142334403} is an apocalyptic number.

21322142334403 is a deficient number, since it is larger than the sum of its proper divisors (92173705805).

21322142334403 is a wasteful number, since it uses less digits than its factorization.

21322142334403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830853.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 21322142334403 its reverse (30443324122312), we get a palindrome (51765466456715).

The spelling of 21322142334403 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred forty-two million, three hundred thirty-four thousand, four hundred three".