2011200021112 has 16 divisors (see below), whose sum is σ = 3785673195360. Its totient is φ = 1001687169024.

The previous prime is 2011200021107. The next prime is 2011200021119. The reversal of 2011200021112 is 2111200021102.

It is a junction number, because it is equal to n+sod(n) for n = 2011200021092 and 2011200021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011200021119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489103008 + ... + 489107119.

It is an arithmetic number, because the mean of its divisors is an integer number (236604574710).

Almost surely, 2^{2011200021112} is an apocalyptic number.

It is an amenable number.

2011200021112 is a deficient number, since it is larger than the sum of its proper divisors (1774473174248).

2011200021112 is a wasteful number, since it uses less digits than its factorization.

2011200021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978210390 (or 978210386 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2011200021112 its reverse (2111200021102), we get a palindrome (4122400042214).

The spelling of 2011200021112 in words is "two trillion, eleven billion, two hundred million, twenty-one thousand, one hundred twelve".