11203101201123 has 24 divisors (see below), whose sum is σ = 17427591745200. Its totient is φ = 6894000348480.

The previous prime is 11203101201067. The next prime is 11203101201139. The reversal of 11203101201123 is 32110210130211.

11203101201123 is a `hidden beast` number, since 1 + 120 + 310 + 120 + 112 + 3 = 666.

It is not a de Polignac number, because 11203101201123 - 2⁶ = 11203101201059 is a prime.

It is a super-2 number, since 2×11203101201123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11203101201096 and 11203101201105.

It is not an unprimeable number, because it can be changed into a prime (11203101202123) 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, 2296693 + ... + 5261273.

It is an arithmetic number, because the mean of its divisors is an integer number (726149656050).

Almost surely, 2^{11203101201123} is an apocalyptic number.

11203101201123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11203101201123 is a deficient number, since it is larger than the sum of its proper divisors (6224490544077).

11203101201123 is a wasteful number, since it uses less digits than its factorization.

11203101201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996899 (or 2996896 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11203101201123 its reverse (32110210130211), we get a palindrome (43313311331334).

The spelling of 11203101201123 in words is "eleven trillion, two hundred three billion, one hundred one million, two hundred one thousand, one hundred twenty-three".