21322201001 has 8 divisors (see below), whose sum is σ = 21536280000. Its totient is φ = 21108180400.

The previous prime is 21322200967. The next prime is 21322201013. The reversal of 21322201001 is 10010222312.

It is a happy number.

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 21322201001 - 2¹⁸ = 21321938857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322201051) 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, 1386050 + ... + 1401348.

It is an arithmetic number, because the mean of its divisors is an integer number (2692035000).

Almost surely, 2^21322201001 is an apocalyptic number.

It is an amenable number.

21322201001 is a deficient number, since it is larger than the sum of its proper divisors (214078999).

21322201001 is a wasteful number, since it uses less digits than its factorization.

21322201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29199.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21322201001 its reverse (10010222312), we get a palindrome (31332423313).

The spelling of 21322201001 in words is "twenty-one billion, three hundred twenty-two million, two hundred one thousand, one".