2011001111120 has 40 divisors (see below), whose sum is σ = 4711269039840. Its totient is φ = 798259978880.

The previous prime is 2011001111113. The next prime is 2011001111131. The reversal of 2011001111120 is 211111001102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 95934230 + ... + 95955189.

It is an arithmetic number, because the mean of its divisors is an integer number (117781725996).

Almost surely, 2^{2011001111120} is an apocalyptic number.

2011001111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011001111120 is an abundant number, since it is smaller than the sum of its proper divisors (2700267928720).

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

2011001111120 is a wasteful number, since it uses less digits than its factorization.

2011001111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191889563 (or 191889557 counting only the distinct ones).

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

Adding to 2011001111120 its reverse (211111001102), we get a palindrome (2222112112222).

The spelling of 2011001111120 in words is "two trillion, eleven billion, one million, one hundred eleven thousand, one hundred twenty".