11123301112 has 32 divisors (see below), whose sum is σ = 26002523520. Its totient is φ = 4333753440.

The previous prime is 11123301001. The next prime is 11123301131. The reversal of 11123301112 is 21110332111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9028038 + ... + 9029269.

It is an arithmetic number, because the mean of its divisors is an integer number (812578860).

Almost surely, 2^11123301112 is an apocalyptic number.

It is an amenable number.

11123301112 is an abundant number, since it is smaller than the sum of its proper divisors (14879222408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123301112 is a wasteful number, since it uses less digits than its factorization.

11123301112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18057331 (or 18057327 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11123301112 its reverse (21110332111), we get a palindrome (32233633223).

The spelling of 11123301112 in words is "eleven billion, one hundred twenty-three million, three hundred one thousand, one hundred twelve".