22101111210201 has 4 divisors (see below), whose sum is σ = 29468148280272. Its totient is φ = 14734074140132.

The previous prime is 22101111210187. The next prime is 22101111210221. The reversal of 22101111210201 is 10201211110122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22101111210201 - 2¹⁵ = 22101111177433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101111210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683518535031 + ... + 3683518535036.

It is an arithmetic number, because the mean of its divisors is an integer number (7367037070068).

Almost surely, 2^{22101111210201} is an apocalyptic number.

It is an amenable number.

22101111210201 is a deficient number, since it is larger than the sum of its proper divisors (7367037070071).

22101111210201 is an equidigital number, since it uses as much as digits as its factorization.

22101111210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367037070070.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22101111210201 its reverse (10201211110122), we get a palindrome (32302322320323).

The spelling of 22101111210201 in words is "twenty-two trillion, one hundred one billion, one hundred eleven million, two hundred ten thousand, two hundred one".