21332102221001 has 64 divisors (see below), whose sum is σ = 25520679072000. Its totient is φ = 17680742576640.

The previous prime is 21332102220899. The next prime is 21332102221037. The reversal of 21332102221001 is 10012220123312.

It is not a de Polignac number, because 21332102221001 - 2³⁴ = 21314922351817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332102221051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2191724531 + ... + 2191734263.

It is an arithmetic number, because the mean of its divisors is an integer number (398760610500).

Almost surely, 2^{21332102221001} is an apocalyptic number.

It is an amenable number.

21332102221001 is a deficient number, since it is larger than the sum of its proper divisors (4188576850999).

21332102221001 is a wasteful number, since it uses less digits than its factorization.

21332102221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891 (or 10865 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21332102221001 its reverse (10012220123312), we get a palindrome (31344322344313).

The spelling of 21332102221001 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred two million, two hundred twenty-one thousand, one".