22202201212211 has 4 divisors (see below), whose sum is σ = 22280654220312. Its totient is φ = 22123748204112.

The previous prime is 22202201212199. The next prime is 22202201212267. The reversal of 22202201212211 is 11221210220222.

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 22202201212211 - 2¹⁸ = 22202200950067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22202201212291) 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, 39226503626 + ... + 39226504191.

It is an arithmetic number, because the mean of its divisors is an integer number (5570163555078).

Almost surely, 2^{22202201212211} is an apocalyptic number.

22202201212211 is a deficient number, since it is larger than the sum of its proper divisors (78453008101).

22202201212211 is an equidigital number, since it uses as much as digits as its factorization.

22202201212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78453008100.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22202201212211 its reverse (11221210220222), we get a palindrome (33423411432433).

The spelling of 22202201212211 in words is "twenty-two trillion, two hundred two billion, two hundred one million, two hundred twelve thousand, two hundred eleven".