11202111102111 has 24 divisors (see below), whose sum is σ = 15306563177136. Its totient is φ = 7287249876480.

The previous prime is 11202111102103. The next prime is 11202111102121. The reversal of 11202111102111 is 11120111120211.

11202111102111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11202111102111 - 2³ = 11202111102103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202111102121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4674511 + ... + 6652463.

It is an arithmetic number, because the mean of its divisors is an integer number (637773465714).

Almost surely, 2^{11202111102111} is an apocalyptic number.

11202111102111 is a deficient number, since it is larger than the sum of its proper divisors (4104452075025).

11202111102111 is a wasteful number, since it uses less digits than its factorization.

11202111102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979063 (or 1979020 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11202111102111 its reverse (11120111120211), we get a palindrome (22322222222322).

The spelling of 11202111102111 in words is "eleven trillion, two hundred two billion, one hundred eleven million, one hundred two thousand, one hundred eleven".