11201133123 has 12 divisors (see below), whose sum is σ = 16302923208. Its totient is φ = 7410418080.

The previous prime is 11201133091. The next prime is 11201133127. The reversal of 11201133123 is 32133110211.

It is not a de Polignac number, because 11201133123 - 2⁵ = 11201133091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201133096 and 11201133105.

It is not an unprimeable number, because it can be changed into a prime (11201133127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4749090 + ... + 4751447.

It is an arithmetic number, because the mean of its divisors is an integer number (1358576934).

Almost surely, 2^11201133123 is an apocalyptic number.

11201133123 is a deficient number, since it is larger than the sum of its proper divisors (5101790085).

11201133123 is a wasteful number, since it uses less digits than its factorization.

11201133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500674 (or 9500671 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11201133123 its reverse (32133110211), we get a palindrome (43334243334).

The spelling of 11201133123 in words is "eleven billion, two hundred one million, one hundred thirty-three thousand, one hundred twenty-three".