11103111201 has 16 divisors (see below), whose sum is σ = 18220490624. Its totient is φ = 5856585984.

The previous prime is 11103111199. The next prime is 11103111209. The reversal of 11103111201 is 10211130111.

It is not a de Polignac number, because 11103111201 - 2¹ = 11103111199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11103111209) 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, 20335096 + ... + 20335641.

It is an arithmetic number, because the mean of its divisors is an integer number (1138780664).

Almost surely, 2^11103111201 is an apocalyptic number.

It is an amenable number.

11103111201 is a deficient number, since it is larger than the sum of its proper divisors (7117379423).

11103111201 is a wasteful number, since it uses less digits than its factorization.

11103111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40670760.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11103111201 its reverse (10211130111), we get a palindrome (21314241312).

The spelling of 11103111201 in words is "eleven billion, one hundred three million, one hundred eleven thousand, two hundred one".