2111102001211 has 16 divisors (see below), whose sum is σ = 2470520346624. Its totient is φ = 1766200492224.

The previous prime is 2111102001187. The next prime is 2111102001277. The reversal of 2111102001211 is 1121002011112.

It is a happy number.

It is not a de Polignac number, because 2111102001211 - 2²¹ = 2111099904059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111102001191 and 2111102001200.

It is not an unprimeable number, because it can be changed into a prime (2111102001011) 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, 2015851 + ... + 2878516.

It is an arithmetic number, because the mean of its divisors is an integer number (154407521664).

Almost surely, 2^{2111102001211} is an apocalyptic number.

2111102001211 is a deficient number, since it is larger than the sum of its proper divisors (359418345413).

2111102001211 is a wasteful number, since it uses less digits than its factorization.

2111102001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895850.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111102001211 its reverse (1121002011112), we get a palindrome (3232104012323).

Subtracting from 2111102001211 its reverse (1121002011112), we obtain a palindrome (990099990099).

The spelling of 2111102001211 in words is "two trillion, one hundred eleven billion, one hundred two million, one thousand, two hundred eleven".