23221131112 has 16 divisors (see below), whose sum is σ = 44064195840. Its totient is φ = 11470678896.

The previous prime is 23221131107. The next prime is 23221131121. The reversal of 23221131112 is 21113112232.

It is a self number, because there is not a number n which added to its sum of digits gives 23221131112.

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, 17485128 + ... + 17486455.

It is an arithmetic number, because the mean of its divisors is an integer number (2754012240).

Almost surely, 2^23221131112 is an apocalyptic number.

It is an amenable number.

23221131112 is a deficient number, since it is larger than the sum of its proper divisors (20843064728).

23221131112 is a wasteful number, since it uses less digits than its factorization.

23221131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34971672 (or 34971668 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 23221131112 its reverse (21113112232), we get a palindrome (44334243344).

The spelling of 23221131112 in words is "twenty-three billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred twelve".