22201000111201 has 4 divisors (see below), whose sum is σ = 22201409830852. Its totient is φ = 22200590391552.

The previous prime is 22201000111193. The next prime is 22201000111271. The reversal of 22201000111201 is 10211100010222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9522778810000 + 12678221301201 = 3085900^2 + 3560649^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201000111201 - 2³ = 22201000111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201000111271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204778536 + ... + 204886921.

It is an arithmetic number, because the mean of its divisors is an integer number (5550352457713).

Almost surely, 2^{22201000111201} is an apocalyptic number.

It is an amenable number.

22201000111201 is a deficient number, since it is larger than the sum of its proper divisors (409719651).

22201000111201 is an equidigital number, since it uses as much as digits as its factorization.

22201000111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409719650.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22201000111201 its reverse (10211100010222), we get a palindrome (32412100121423).

The spelling of 22201000111201 in words is "twenty-two trillion, two hundred one billion, one hundred eleven thousand, two hundred one".