11102120211 has 96 divisors (see below), whose sum is σ = 19146309120. Its totient is φ = 5597309952.

The previous prime is 11102120207. The next prime is 11102120243. The reversal of 11102120211 is 11202120111.

It is not a de Polignac number, because 11102120211 - 2² = 11102120207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11102110211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7746751 + ... + 7748183.

It is an arithmetic number, because the mean of its divisors is an integer number (199440720).

Almost surely, 2^11102120211 is an apocalyptic number.

11102120211 is a deficient number, since it is larger than the sum of its proper divisors (8044188909).

11102120211 is a wasteful number, since it uses less digits than its factorization.

11102120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11102120211 its reverse (11202120111), we get a palindrome (22304240322).

The spelling of 11102120211 in words is "eleven billion, one hundred two million, one hundred twenty thousand, two hundred eleven".