22012110011 has 4 divisors (see below), whose sum is σ = 22063182624. Its totient is φ = 21961037400.

The previous prime is 22012109941. The next prime is 22012110023. The reversal of 22012110011 is 11001121022.

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 22012110011 - 2¹⁸ = 22011847867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012109974 and 22012110001.

It is not an unprimeable number, because it can be changed into a prime (22012160011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25535660 + ... + 25536521.

It is an arithmetic number, because the mean of its divisors is an integer number (5515795656).

Almost surely, 2^22012110011 is an apocalyptic number.

22012110011 is a deficient number, since it is larger than the sum of its proper divisors (51072613).

22012110011 is an equidigital number, since it uses as much as digits as its factorization.

22012110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51072612.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22012110011 its reverse (11001121022), we get a palindrome (33013231033).

The spelling of 22012110011 in words is "twenty-two billion, twelve million, one hundred ten thousand, eleven".