1001001111112 has 16 divisors (see below), whose sum is σ = 1878081004800. Its totient is φ = 500179509840.

The previous prime is 1001001111073. The next prime is 1001001111179. The reversal of 1001001111112 is 2111111001001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40117464 + ... + 40142407.

It is an arithmetic number, because the mean of its divisors is an integer number (117380062800).

Almost surely, 2^{1001001111112} is an apocalyptic number.

It is an amenable number.

1001001111112 is a deficient number, since it is larger than the sum of its proper divisors (877079893688).

1001001111112 is a wasteful number, since it uses less digits than its factorization.

1001001111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80261436 (or 80261432 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1001001111112 its reverse (2111111001001), we get a palindrome (3112112112113).

The spelling of 1001001111112 in words is "one trillion, one billion, one million, one hundred eleven thousand, one hundred twelve".