2011200021011 has 2 divisors, whose sum is σ = 2011200021012. Its totient is φ = 2011200021010.

The previous prime is 2011200021007. The next prime is 2011200021029. The reversal of 2011200021011 is 1101200021102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011200021011 - 2² = 2011200021007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011200020983 and 2011200021001.

It is not a weakly prime, because it can be changed into another prime (2011200023011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005600010505 + 1005600010506.

It is an arithmetic number, because the mean of its divisors is an integer number (1005600010506).

Almost surely, 2^{2011200021011} is an apocalyptic number.

2011200021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011200021011 is an equidigital number, since it uses as much as digits as its factorization.

2011200021011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2011200021011 its reverse (1101200021102), we get a palindrome (3112400042113).

Subtracting from 2011200021011 its reverse (1101200021102), we obtain a palindrome (909999999909).

The spelling of 2011200021011 in words is "two trillion, eleven billion, two hundred million, twenty-one thousand, eleven".