22011010011 has 16 divisors (see below), whose sum is σ = 33660805120. Its totient is φ = 14200651080.

The previous prime is 22011009961. The next prime is 22011010019. The reversal of 22011010011 is 11001011022.

It is a happy number.

It is not a de Polignac number, because 22011010011 - 2²¹ = 22008912859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011009975 and 22011010002.

It is not an unprimeable number, because it can be changed into a prime (22011010019) 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, 13147915 + ... + 13149588.

It is an arithmetic number, because the mean of its divisors is an integer number (2103800320).

Almost surely, 2^22011010011 is an apocalyptic number.

22011010011 is a deficient number, since it is larger than the sum of its proper divisors (11649795109).

22011010011 is a wasteful number, since it uses less digits than its factorization.

22011010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26297543 (or 26297537 counting only the distinct ones).

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

Adding to 22011010011 its reverse (11001011022), we get a palindrome (33012021033).

The spelling of 22011010011 in words is "twenty-two billion, eleven million, ten thousand, eleven".