21322101001 has 8 divisors (see below), whose sum is σ = 21525048000. Its totient is φ = 21119952240.

The previous prime is 21322100999. The next prime is 21322101043. The reversal of 21322101001 is 10010122312.

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 21322101001 - 2¹ = 21322100999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322101061) 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, 145815 + ... + 252796.

It is an arithmetic number, because the mean of its divisors is an integer number (2690631000).

Almost surely, 2^21322101001 is an apocalyptic number.

It is an amenable number.

21322101001 is a deficient number, since it is larger than the sum of its proper divisors (202946999).

21322101001 is a wasteful number, since it uses less digits than its factorization.

21322101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399119.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21322101001 its reverse (10010122312), we get a palindrome (31332223313).

The spelling of 21322101001 in words is "twenty-one billion, three hundred twenty-two million, one hundred one thousand, one".