1001012011112 has 16 divisors (see below), whose sum is σ = 1916831511360. Its totient is φ = 489856941424.

The previous prime is 1001012011099. The next prime is 1001012011127. The reversal of 1001012011112 is 2111102101001.

It is a super-2 number, since 2×1001012011112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001012011093 and 1001012011102.

It is an unprimeable number.

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, 1331132618 + ... + 1331133369.

It is an arithmetic number, because the mean of its divisors is an integer number (119801969460).

Almost surely, 2^{1001012011112} is an apocalyptic number.

It is an amenable number.

1001012011112 is a deficient number, since it is larger than the sum of its proper divisors (915819500248).

1001012011112 is a wasteful number, since it uses less digits than its factorization.

1001012011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662266040 (or 2662266036 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1001012011112 its reverse (2111102101001), we get a palindrome (3112114112113).

The spelling of 1001012011112 in words is "one trillion, one billion, twelve million, eleven thousand, one hundred twelve".