22231220011 has 24 divisors (see below), whose sum is σ = 30075053792. Its totient is φ = 15990480000.

The previous prime is 22231219987. The next prime is 22231220027. The reversal of 22231220011 is 11002213222.

It is a happy number.

It is not a de Polignac number, because 22231220011 - 2³¹ = 20083736363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22231220051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 998490 + ... + 1020511.

Almost surely, 2^22231220011 is an apocalyptic number.

22231220011 is a deficient number, since it is larger than the sum of its proper divisors (7843833781).

22231220011 is a wasteful number, since it uses less digits than its factorization.

22231220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019043 (or 2019032 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22231220011 its reverse (11002213222), we get a palindrome (33233433233).

It can be divided in two parts, 22231 and 220011, that added together give a palindrome (242242).

The spelling of 22231220011 in words is "twenty-two billion, two hundred thirty-one million, two hundred twenty thousand, eleven".