11111021044 has 24 divisors (see below), whose sum is σ = 19718899200. Its totient is φ = 5477253600.

The previous prime is 11111021027. The next prime is 11111021081. The reversal of 11111021044 is 44012011111.

11111021044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196437 + ... + 246595.

It is an arithmetic number, because the mean of its divisors is an integer number (821620800).

Almost surely, 2^11111021044 is an apocalyptic number.

It is an amenable number.

11111021044 is a deficient number, since it is larger than the sum of its proper divisors (8607878156).

11111021044 is a wasteful number, since it uses less digits than its factorization.

11111021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50943 (or 50941 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11111021044 its reverse (44012011111), we get a palindrome (55123032155).

The spelling of 11111021044 in words is "eleven billion, one hundred eleven million, twenty-one thousand, forty-four".