22222210201211 has 4 divisors (see below), whose sum is σ = 22598857831800. Its totient is φ = 21845562570624.

The previous prime is 22222210201181. The next prime is 22222210201259. The reversal of 22222210201211 is 11210201222222.

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 22222210201211 - 2¹⁴ = 22222210184827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222210201271) 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, 188323815206 + ... + 188323815323.

It is an arithmetic number, because the mean of its divisors is an integer number (5649714457950).

Almost surely, 2^{22222210201211} is an apocalyptic number.

22222210201211 is a deficient number, since it is larger than the sum of its proper divisors (376647630589).

22222210201211 is an equidigital number, since it uses as much as digits as its factorization.

22222210201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376647630588.

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

Adding to 22222210201211 its reverse (11210201222222), we get a palindrome (33432411423433).

The spelling of 22222210201211 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred ten million, two hundred one thousand, two hundred eleven".