22011211002211 has 4 divisors (see below), whose sum is σ = 22025778317424. Its totient is φ = 21996643687000.

The previous prime is 22011211002163. The next prime is 22011211002223. The reversal of 22011211002211 is 11220011211022.

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 22011211002211 - 2¹⁹ = 22011210477923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011211002271) 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, 7283655340 + ... + 7283658361.

It is an arithmetic number, because the mean of its divisors is an integer number (5506444579356).

Almost surely, 2^{22011211002211} is an apocalyptic number.

22011211002211 is a deficient number, since it is larger than the sum of its proper divisors (14567315213).

22011211002211 is a wasteful number, since it uses less digits than its factorization.

22011211002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14567315212.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22011211002211 its reverse (11220011211022), we get a palindrome (33231222213233).

The spelling of 22011211002211 in words is "twenty-two trillion, eleven billion, two hundred eleven million, two thousand, two hundred eleven".