1001011112 has 16 divisors (see below), whose sum is σ = 1881381600. Its totient is φ = 499309360.

The previous prime is 1001011103. The next prime is 1001011117. The reversal of 1001011112 is 2111101001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1001011112.

It is not an unprimeable number, because it can be changed into a prime (1001011117) 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, 145964 + ... + 152667.

It is an arithmetic number, because the mean of its divisors is an integer number (117586350).

Almost surely, 2^1001011112 is an apocalyptic number.

It is an amenable number.

1001011112 is a deficient number, since it is larger than the sum of its proper divisors (880370488).

1001011112 is a wasteful number, since it uses less digits than its factorization.

1001011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299056 (or 299052 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1001011112 is about 31638.7596469900. The cubic root of 1001011112 is about 1000.3369238029.

Adding to 1001011112 its reverse (2111101001), we get a palindrome (3112112113).

The spelling of 1001011112 in words is "one billion, one million, eleven thousand, one hundred twelve".