23111010112 has 28 divisors (see below), whose sum is σ = 45869014180. Its totient is φ = 11553463296.

The previous prime is 23111010101. The next prime is 23111010113. The reversal of 23111010112 is 21101011132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21379118656 + 1731891456 = 146216^2 + 41616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23111010092 and 23111010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111010113) 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, 372964 + ... + 430492.

Almost surely, 2^23111010112 is an apocalyptic number.

It is an amenable number.

23111010112 is a deficient number, since it is larger than the sum of its proper divisors (22758004068).

23111010112 is an equidigital number, since it uses as much as digits as its factorization.

23111010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63818 (or 63808 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 23111010112 its reverse (21101011132), we get a palindrome (44212021244).

The spelling of 23111010112 in words is "twenty-three billion, one hundred eleven million, ten thousand, one hundred twelve".