21223100032201 has 8 divisors (see below), whose sum is σ = 23196405348864. Its totient is φ = 19330337789760.

The previous prime is 21223100032163. The next prime is 21223100032213. The reversal of 21223100032201 is 10223000132212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21223100032201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21223100032301) 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, 20135768005 + ... + 20135769058.

It is an arithmetic number, because the mean of its divisors is an integer number (2899550668608).

Almost surely, 2^{21223100032201} is an apocalyptic number.

It is an amenable number.

21223100032201 is a deficient number, since it is larger than the sum of its proper divisors (1973305316663).

21223100032201 is a wasteful number, since it uses less digits than its factorization.

21223100032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40271537111.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21223100032201 its reverse (10223000132212), we get a palindrome (31446100164413).

The spelling of 21223100032201 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred million, thirty-two thousand, two hundred one".