11123201003 has 6 divisors (see below), whose sum is σ = 11234432412. Its totient is φ = 11013060200.

The previous prime is 11123200981. The next prime is 11123201009. The reversal of 11123201003 is 30010232111.

It is not a de Polignac number, because 11123201003 - 2⁶ = 11123200939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123201009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 535001 + ... + 555402.

It is an arithmetic number, because the mean of its divisors is an integer number (1872405402).

Almost surely, 2^11123201003 is an apocalyptic number.

11123201003 is a deficient number, since it is larger than the sum of its proper divisors (111231409).

11123201003 is an equidigital number, since it uses as much as digits as its factorization.

11123201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090605 (or 1090504 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11123201003 its reverse (30010232111), we get a palindrome (41133433114).

The spelling of 11123201003 in words is "eleven billion, one hundred twenty-three million, two hundred one thousand, three".