22110011001 has 24 divisors (see below), whose sum is σ = 35232220296. Its totient is φ = 13274300160.

The previous prime is 22110010987. The next prime is 22110011023. The reversal of 22110011001 is 10011001122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 153884025 + 21956126976 = 12405^2 + 148176^2 .

It is not a de Polignac number, because 22110011001 - 2⁵ = 22110010969 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (22110011081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2299770 + ... + 2309363.

It is an arithmetic number, because the mean of its divisors is an integer number (1468009179).

Almost surely, 2^22110011001 is an apocalyptic number.

It is an amenable number.

22110011001 is a deficient number, since it is larger than the sum of its proper divisors (13122209295).

22110011001 is a wasteful number, since it uses less digits than its factorization.

22110011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609193 (or 4609190 counting only the distinct ones).

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

Adding to 22110011001 its reverse (10011001122), we get a palindrome (32121012123).

The spelling of 22110011001 in words is "twenty-two billion, one hundred ten million, eleven thousand, one".