22201020012211 has 4 divisors (see below), whose sum is σ = 22248970379872. Its totient is φ = 22153069644552.

The previous prime is 22201020012179. The next prime is 22201020012233. The reversal of 22201020012211 is 11221002010222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22201020012211 - 2⁵ = 22201020012179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201026012211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23975183136 + ... + 23975184061.

It is an arithmetic number, because the mean of its divisors is an integer number (5562242594968).

Almost surely, 2^{22201020012211} is an apocalyptic number.

22201020012211 is a deficient number, since it is larger than the sum of its proper divisors (47950367661).

22201020012211 is an equidigital number, since it uses as much as digits as its factorization.

22201020012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47950367660.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22201020012211 its reverse (11221002010222), we get a palindrome (33422022022433).

The spelling of 22201020012211 in words is "twenty-two trillion, two hundred one billion, twenty million, twelve thousand, two hundred eleven".