2081200011 has 16 divisors (see below), whose sum is σ = 3158818560. Its totient is φ = 1206492320.

The previous prime is 2081199983. The next prime is 2081200019. The reversal of 2081200011 is 1100021802.

It is not a de Polignac number, because 2081200011 - 2²¹ = 2079102859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2081200019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370256 + ... + 1371773.

It is an arithmetic number, because the mean of its divisors is an integer number (197426160).

Almost surely, 2^2081200011 is an apocalyptic number.

2081200011 is a deficient number, since it is larger than the sum of its proper divisors (1077618549).

2081200011 is a wasteful number, since it uses less digits than its factorization.

2081200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742066.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2081200011 is about 45620.1710978817. The cubic root of 2081200011 is about 1276.7462957632.

Adding to 2081200011 its reverse (1100021802), we get a palindrome (3181221813).

The spelling of 2081200011 in words is "two billion, eighty-one million, two hundred thousand, eleven".