2111220200011 has 24 divisors (see below), whose sum is σ = 2297270384640. Its totient is φ = 1939315394016.

The previous prime is 2111220199999. The next prime is 2111220200057. The reversal of 2111220200011 is 1100020221112.

It is not a de Polignac number, because 2111220200011 - 2¹¹ = 2111220197963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111220199964 and 2111220200000.

It is not an unprimeable number, because it can be changed into a prime (2111220200071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110300280 + ... + 110319418.

It is an arithmetic number, because the mean of its divisors is an integer number (95719599360).

Almost surely, 2^{2111220200011} is an apocalyptic number.

2111220200011 is a deficient number, since it is larger than the sum of its proper divisors (186050184629).

2111220200011 is a wasteful number, since it uses less digits than its factorization.

2111220200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22315 (or 22302 counting only the distinct ones).

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

Adding to 2111220200011 its reverse (1100020221112), we get a palindrome (3211240421123).

The spelling of 2111220200011 in words is "two trillion, one hundred eleven billion, two hundred twenty million, two hundred thousand, eleven".