10111123312 has 40 divisors (see below), whose sum is σ = 19741705200. Its totient is φ = 5016560640.

The previous prime is 10111123273. The next prime is 10111123331. The reversal of 10111123312 is 21332111101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700987 + ... + 3703717.

It is an arithmetic number, because the mean of its divisors is an integer number (493542630).

Almost surely, 2^10111123312 is an apocalyptic number.

It is an amenable number.

10111123312 is a deficient number, since it is larger than the sum of its proper divisors (9630581888).

10111123312 is a wasteful number, since it uses less digits than its factorization.

10111123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10111123312 its reverse (21332111101), we get a palindrome (31443234413).

The spelling of 10111123312 in words is "ten billion, one hundred eleven million, one hundred twenty-three thousand, three hundred twelve".