22031320112 has 20 divisors (see below), whose sum is σ = 42784734816. Its totient is φ = 10990098240.

The previous prime is 22031320081. The next prime is 22031320133. The reversal of 22031320112 is 21102313022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590503 + ... + 1604294.

Almost surely, 2^22031320112 is an apocalyptic number.

It is an amenable number.

22031320112 is a deficient number, since it is larger than the sum of its proper divisors (20753414704).

22031320112 is a wasteful number, since it uses less digits than its factorization.

22031320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195236 (or 3195230 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22031320112 its reverse (21102313022), we get a palindrome (43133633134).

The spelling of 22031320112 in words is "twenty-two billion, thirty-one million, three hundred twenty thousand, one hundred twelve".