11201121003 has 8 divisors (see below), whose sum is σ = 15584168448. Its totient is φ = 7142743784.

The previous prime is 11201120989. The next prime is 11201121017. The reversal of 11201121003 is 30012110211.

It is an interprime number because it is at equal distance from previous prime (11201120989) and next prime (11201121017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201121003 is a prime.

It is a super-2 number, since 2×11201121003² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11201121003.

It is not an unprimeable number, because it can be changed into a prime (11201121023) 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 7 ways as a sum of consecutive naturals, for example, 81167475 + ... + 81167612.

It is an arithmetic number, because the mean of its divisors is an integer number (1948021056).

Almost surely, 2^11201121003 is an apocalyptic number.

11201121003 is a deficient number, since it is larger than the sum of its proper divisors (4383047445).

11201121003 is a wasteful number, since it uses less digits than its factorization.

11201121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162335113.

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

Adding to 11201121003 its reverse (30012110211), we get a palindrome (41213231214).

The spelling of 11201121003 in words is "eleven billion, two hundred one million, one hundred twenty-one thousand, three".