22001032112 has 20 divisors (see below), whose sum is σ = 43105957560. Its totient is φ = 10876914048.

The previous prime is 22001032111. The next prime is 22001032117. The reversal of 22001032112 is 21123010022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22001032111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7723658 + ... + 7726505.

It is an arithmetic number, because the mean of its divisors is an integer number (2155297878).

Almost surely, 2^22001032112 is an apocalyptic number.

It is an amenable number.

22001032112 is a deficient number, since it is larger than the sum of its proper divisors (21104925448).

22001032112 is a wasteful number, since it uses less digits than its factorization.

22001032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15450260 (or 15450254 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22001032112 its reverse (21123010022), we get a palindrome (43124042134).

The spelling of 22001032112 in words is "twenty-two billion, one million, thirty-two thousand, one hundred twelve".