22110221211 has 16 divisors (see below), whose sum is σ = 31765975584. Its totient is φ = 13598590464.

The previous prime is 22110221191. The next prime is 22110221219. The reversal of 22110221211 is 11212201122.

It is not a de Polignac number, because 22110221211 - 2⁵ = 22110221179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22110221219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90216 + ... + 228821.

It is an arithmetic number, because the mean of its divisors is an integer number (1985373474).

Almost surely, 2^22110221211 is an apocalyptic number.

22110221211 is a deficient number, since it is larger than the sum of its proper divisors (9655754373).

22110221211 is a wasteful number, since it uses less digits than its factorization.

22110221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320830.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22110221211 its reverse (11212201122), we get a palindrome (33322422333).

The spelling of 22110221211 in words is "twenty-two billion, one hundred ten million, two hundred twenty-one thousand, two hundred eleven".