2011200111000 has 320 divisors, whose sum is σ = 7033102464960. Its totient is φ = 536103360000.

The previous prime is 2011200110951. The next prime is 2011200111031. The reversal of 2011200111000 is 1110021102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 359718205 + ... + 359723795.

It is an arithmetic number, because the mean of its divisors is an integer number (21978445203).

Almost surely, 2^{2011200111000} is an apocalyptic number.

2011200111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011200111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3516551232480).

2011200111000 is an abundant number, since it is smaller than the sum of its proper divisors (5021902353960).

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

2011200111000 is a wasteful number, since it uses less digits than its factorization.

2011200111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065 (or 10042 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2011200111000 its reverse (1110021102), we get a palindrome (2012310132102).

The spelling of 2011200111000 in words is "two trillion, eleven billion, two hundred million, one hundred eleven thousand".