21322330021201 has 6 divisors (see below), whose sum is σ = 23436941263106. Its totient is φ = 19383936382800.

The previous prime is 21322330021199. The next prime is 21322330021271. The reversal of 21322330021201 is 10212003322312.

It can be written as a sum of positive squares in only one way, i.e., 18544521132225 + 2777808888976 = 4306335^2 + 1666676^2 .

It is not a de Polignac number, because 21322330021201 - 2¹ = 21322330021199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322330021271) 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 5 ways as a sum of consecutive naturals, for example, 88108801620 + ... + 88108801861.

Almost surely, 2^{21322330021201} is an apocalyptic number.

It is an amenable number.

21322330021201 is a deficient number, since it is larger than the sum of its proper divisors (2114611241905).

21322330021201 is a wasteful number, since it uses less digits than its factorization.

21322330021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176217603503 (or 176217603492 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21322330021201 its reverse (10212003322312), we get a palindrome (31534333343513).

The spelling of 21322330021201 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred thirty million, twenty-one thousand, two hundred one".