11123132020103 has 4 divisors (see below), whose sum is σ = 11124848294448. Its totient is φ = 11121415745760.

The previous prime is 11123132020073. The next prime is 11123132020279. The reversal of 11123132020103 is 30102023132111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11123132020103 - 2²⁶ = 11123064911239 is a prime.

It is a super-2 number, since 2×11123132020103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123132020003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858127451 + ... + 858140412.

It is an arithmetic number, because the mean of its divisors is an integer number (2781212073612).

Almost surely, 2^{11123132020103} is an apocalyptic number.

11123132020103 is a deficient number, since it is larger than the sum of its proper divisors (1716274345).

11123132020103 is an equidigital number, since it uses as much as digits as its factorization.

11123132020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716274344.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11123132020103 its reverse (30102023132111), we get a palindrome (41225155152214).

The spelling of 11123132020103 in words is "eleven trillion, one hundred twenty-three billion, one hundred thirty-two million, twenty thousand, one hundred three".