11121300444 has 24 divisors (see below), whose sum is σ = 26179347600. Its totient is φ = 3674293504.

The previous prime is 11121300373. The next prime is 11121300467. The reversal of 11121300444 is 44400312111.

It is a self number, because there is not a number n which added to its sum of digits gives 11121300444.

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, 4099419 + ... + 4102130.

It is an arithmetic number, because the mean of its divisors is an integer number (1090806150).

Almost surely, 2^11121300444 is an apocalyptic number.

It is an amenable number.

11121300444 is an abundant number, since it is smaller than the sum of its proper divisors (15058047156).

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

11121300444 is a wasteful number, since it uses less digits than its factorization.

11121300444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8201669 (or 8201667 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11121300444 its reverse (44400312111), we get a palindrome (55521612555).

The spelling of 11121300444 in words is "eleven billion, one hundred twenty-one million, three hundred thousand, four hundred forty-four".