22110020011 has 4 divisors (see below), whose sum is σ = 22110348024. Its totient is φ = 22109692000.

The previous prime is 22110020003. The next prime is 22110020029. The reversal of 22110020011 is 11002001122.

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 22110020011 - 2³ = 22110020003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22110020011.

It is not an unprimeable number, because it can be changed into a prime (22110027011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21790 + ... + 211411.

It is an arithmetic number, because the mean of its divisors is an integer number (5527587006).

Almost surely, 2^22110020011 is an apocalyptic number.

22110020011 is a deficient number, since it is larger than the sum of its proper divisors (328013).

22110020011 is an equidigital number, since it uses as much as digits as its factorization.

22110020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328012.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22110020011 its reverse (11002001122), we get a palindrome (33112021133).

It can be divided in two parts, 22 and 110020011, that multiplied together give a palindrome (2420440242).

The spelling of 22110020011 in words is "twenty-two billion, one hundred ten million, twenty thousand, eleven".