22011100011 has 6 divisors (see below), whose sum is σ = 31793811140. Its totient is φ = 14674066668.

The previous prime is 22011099989. The next prime is 22011100043. The reversal of 22011100011 is 11000111022.

It is a happy number.

It is not a de Polignac number, because 22011100011 - 2¹⁰ = 22011098987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 2445677779 = 22011100011 / (2 + 2 + 0 + 1 + 1 + 1 + 0 + 0 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011099966 and 22011100002.

It is not an unprimeable number, because it can be changed into a prime (22011107011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222838881 + ... + 1222838898.

Almost surely, 2^22011100011 is an apocalyptic number.

22011100011 is a deficient number, since it is larger than the sum of its proper divisors (9782711129).

22011100011 is a wasteful number, since it uses less digits than its factorization.

22011100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445677785 (or 2445677782 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 22011100011 its reverse (11000111022), we get a palindrome (33011211033).

The spelling of 22011100011 in words is "twenty-two billion, eleven million, one hundred thousand, eleven".