11201124123 has 24 divisors (see below), whose sum is σ = 19175589888. Its totient is φ = 6400641384.

The previous prime is 11201124113. The next prime is 11201124133. The reversal of 11201124123 is 32142110211.

It is an interprime number because it is at equal distance from previous prime (11201124113) and next prime (11201124133).

It is not a de Polignac number, because 11201124123 - 2⁵ = 11201124091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201124096 and 11201124105.

It is not an unprimeable number, because it can be changed into a prime (11201124113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3290811 + ... + 3294212.

It is an arithmetic number, because the mean of its divisors is an integer number (798982912).

Almost surely, 2^11201124123 is an apocalyptic number.

11201124123 is a deficient number, since it is larger than the sum of its proper divisors (7974465765).

11201124123 is an frugal number, since it uses more digits than its factorization.

11201124123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585045 (or 6585033 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11201124123 its reverse (32142110211), we get a palindrome (43343234334).

The spelling of 11201124123 in words is "eleven billion, two hundred one million, one hundred twenty-four thousand, one hundred twenty-three".