22112220011 has 16 divisors (see below), whose sum is σ = 25391232000. Its totient is φ = 18863331648.

The previous prime is 22112219897. The next prime is 22112220017. The reversal of 22112220011 is 11002221122.

It is not a de Polignac number, because 22112220011 - 2¹⁸ = 22111957867 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22112220017) 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, 4754015 + ... + 4758663.

It is an arithmetic number, because the mean of its divisors is an integer number (1586952000).

Almost surely, 2^22112220011 is an apocalyptic number.

22112220011 is a deficient number, since it is larger than the sum of its proper divisors (3279011989).

22112220011 is a wasteful number, since it uses less digits than its factorization.

22112220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22112220011 its reverse (11002221122), we get a palindrome (33114441133).

It can be divided in two parts, 2211 and 2220011, that added together give a palindrome (2222222).

The spelling of 22112220011 in words is "twenty-two billion, one hundred twelve million, two hundred twenty thousand, eleven".