11121303101 has 4 divisors (see below), whose sum is σ = 11157529152. Its totient is φ = 11085077052.

The previous prime is 11121303019. The next prime is 11121303113. The reversal of 11121303101 is 10130312111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10130312111 = 263 ⋅38518297.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121303101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121303301) 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 3 ways as a sum of consecutive naturals, for example, 18112565 + ... + 18113178.

It is an arithmetic number, because the mean of its divisors is an integer number (2789382288).

Almost surely, 2^11121303101 is an apocalyptic number.

It is an amenable number.

11121303101 is a deficient number, since it is larger than the sum of its proper divisors (36226051).

11121303101 is an equidigital number, since it uses as much as digits as its factorization.

11121303101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36226050.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11121303101 its reverse (10130312111), we get a palindrome (21251615212).

The spelling of 11121303101 in words is "eleven billion, one hundred twenty-one million, three hundred three thousand, one hundred one".