2011111120912 has 40 divisors (see below), whose sum is σ = 3962868324480. Its totient is φ = 988437985920.

The previous prime is 2011111120901. The next prime is 2011111120913. The reversal of 2011111120912 is 2190211111102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2011111120913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13759737 + ... + 13905127.

It is an arithmetic number, because the mean of its divisors is an integer number (99071708112).

Almost surely, 2^{2011111120912} is an apocalyptic number.

It is an amenable number.

2011111120912 is a deficient number, since it is larger than the sum of its proper divisors (1951757203568).

2011111120912 is a wasteful number, since it uses less digits than its factorization.

2011111120912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160111 (or 160105 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 2011111120912 in words is "two trillion, eleven billion, one hundred eleven million, one hundred twenty thousand, nine hundred twelve".