22001113011 has 4 divisors (see below), whose sum is σ = 29334817352. Its totient is φ = 14667408672.

The previous prime is 22001113009. The next prime is 22001113019. The reversal of 22001113011 is 11031110022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22001113011 - 2¹ = 22001113009 is a prime.

It is a super-2 number, since 2×22001113011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001113019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3666852166 + ... + 3666852171.

It is an arithmetic number, because the mean of its divisors is an integer number (7333704338).

Almost surely, 2^22001113011 is an apocalyptic number.

22001113011 is a deficient number, since it is larger than the sum of its proper divisors (7333704341).

22001113011 is an equidigital number, since it uses as much as digits as its factorization.

22001113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333704340.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 22001113011 its reverse (11031110022), we get a palindrome (33032223033).

The spelling of 22001113011 in words is "twenty-two billion, one million, one hundred thirteen thousand, eleven".