11121220011304 has 64 divisors (see below), whose sum is σ = 23638875019200. Its totient is φ = 4862585074176.

The previous prime is 11121220011299. The next prime is 11121220011337. The reversal of 11121220011304 is 40311002212111.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112430412 + ... + 112529284.

It is an arithmetic number, because the mean of its divisors is an integer number (369357422175).

Almost surely, 2^{11121220011304} is an apocalyptic number.

It is an amenable number.

11121220011304 is an abundant number, since it is smaller than the sum of its proper divisors (12517655007896).

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

11121220011304 is a wasteful number, since it uses less digits than its factorization.

11121220011304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155834 (or 155830 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11121220011304 its reverse (40311002212111), we get a palindrome (51432222223415).

The spelling of 11121220011304 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty million, eleven thousand, three hundred four".