2011111011200 has 96 divisors (see below), whose sum is σ = 5038046093520. Its totient is φ = 793114112000.

The previous prime is 2011111011193. The next prime is 2011111011233. The reversal of 2011111011200 is 21101111102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4198661 + ... + 4653060.

Almost surely, 2^{2011111011200} is an apocalyptic number.

2011111011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011111011200 is an abundant number, since it is smaller than the sum of its proper divisors (3026935082320).

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

2011111011200 is an equidigital number, since it uses as much as digits as its factorization.

2011111011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8851816 (or 8851799 counting only the distinct ones).

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

Adding to 2011111011200 its reverse (21101111102), we get a palindrome (2032212122302).

The spelling of 2011111011200 in words is "two trillion, eleven billion, one hundred eleven million, eleven thousand, two hundred".