22031110011 has 4 divisors (see below), whose sum is σ = 29374813352. Its totient is φ = 14687406672.

The previous prime is 22031110007. The next prime is 22031110019. The reversal of 22031110011 is 11001113022.

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

It is not a de Polignac number, because 22031110011 - 2² = 22031110007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031110019) 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, 3671851666 + ... + 3671851671.

It is an arithmetic number, because the mean of its divisors is an integer number (7343703338).

Almost surely, 2^22031110011 is an apocalyptic number.

22031110011 is a deficient number, since it is larger than the sum of its proper divisors (7343703341).

22031110011 is an equidigital number, since it uses as much as digits as its factorization.

22031110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343703340.

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

Adding to 22031110011 its reverse (11001113022), we get a palindrome (33032223033).

The spelling of 22031110011 in words is "twenty-two billion, thirty-one million, one hundred ten thousand, eleven".