1001311112 has 16 divisors (see below), whose sum is σ = 1878573840. Its totient is φ = 500358096.

The previous prime is 1001311111. The next prime is 1001311123. The reversal of 1001311112 is 2111131001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001311093 and 1001311102.

It is not an unprimeable number, because it can be changed into a prime (1001311111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22538 + ... + 50105.

It is an arithmetic number, because the mean of its divisors is an integer number (117410865).

Almost surely, 2^1001311112 is an apocalyptic number.

It is an amenable number.

1001311112 is a deficient number, since it is larger than the sum of its proper divisors (877262728).

1001311112 is a wasteful number, since it uses less digits than its factorization.

1001311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74372 (or 74368 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1001311112 is about 31643.5003120704. The cubic root of 1001311112 is about 1000.4368464707.

Adding to 1001311112 its reverse (2111131001), we get a palindrome (3112442113).

The spelling of 1001311112 in words is "one billion, one million, three hundred eleven thousand, one hundred twelve".