2001110111112 has 32 divisors (see below), whose sum is σ = 5717457460800. Its totient is φ = 571745745984.

The previous prime is 2001110111107. The next prime is 2001110111141. The reversal of 2001110111112 is 2111110111002.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 5955684687 + ... + 5955685022.

It is an arithmetic number, because the mean of its divisors is an integer number (178670545650).

Almost surely, 2^{2001110111112} is an apocalyptic number.

It is an amenable number.

2001110111112 is an abundant number, since it is smaller than the sum of its proper divisors (3716347349688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001110111112 is a wasteful number, since it uses less digits than its factorization.

2001110111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911369725 (or 11911369721 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2001110111112 its reverse (2111110111002), we get a palindrome (4112220222114).

The spelling of 2001110111112 in words is "two trillion, one billion, one hundred ten million, one hundred eleven thousand, one hundred twelve".