22211221100201 has 8 divisors (see below), whose sum is σ = 26259571744320. Its totient is φ = 18381700220688.

The previous prime is 22211221100179. The next prime is 22211221100333. The reversal of 22211221100201 is 10200112211222.

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

It is not a de Polignac number, because 22211221100201 - 2⁶ = 22211221100137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22211221100201.

It is not an unprimeable number, because it can be changed into a prime (22211221100401) 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, 54707440931 + ... + 54707441336.

It is an arithmetic number, because the mean of its divisors is an integer number (3282446468040).

Almost surely, 2^{22211221100201} is an apocalyptic number.

It is an amenable number.

22211221100201 is a deficient number, since it is larger than the sum of its proper divisors (4048350644119).

22211221100201 is a wasteful number, since it uses less digits than its factorization.

22211221100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109414882303.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22211221100201 its reverse (10200112211222), we get a palindrome (32411333311423).

The spelling of 22211221100201 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, one hundred thousand, two hundred one".