21233322001 has 8 divisors (see below), whose sum is σ = 22331821824. Its totient is φ = 20160669360.

The previous prime is 21233321987. The next prime is 21233322007. The reversal of 21233322001 is 10022333212.

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 21233322001 - 2⁷ = 21233321873 is a prime.

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 21233322001.

It is not an unprimeable number, because it can be changed into a prime (21233322007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6460111 + ... + 6463396.

It is an arithmetic number, because the mean of its divisors is an integer number (2791477728).

Almost surely, 2^21233322001 is an apocalyptic number.

It is an amenable number.

21233322001 is a deficient number, since it is larger than the sum of its proper divisors (1098499823).

21233322001 is a wasteful number, since it uses less digits than its factorization.

21233322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923591.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21233322001 its reverse (10022333212), we get a palindrome (31255655213).

The spelling of 21233322001 in words is "twenty-one billion, two hundred thirty-three million, three hundred twenty-two thousand, one".