11200121444 has 24 divisors (see below), whose sum is σ = 20745816000. Its totient is φ = 5276003040.

The previous prime is 11200121437. The next prime is 11200121467. The reversal of 11200121444 is 44412100211.

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, 393344 + ... + 420855.

It is an arithmetic number, because the mean of its divisors is an integer number (864409000).

Almost surely, 2^11200121444 is an apocalyptic number.

It is an amenable number.

11200121444 is a deficient number, since it is larger than the sum of its proper divisors (9545694556).

11200121444 is a wasteful number, since it uses less digits than its factorization.

11200121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814403 (or 814401 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11200121444 its reverse (44412100211), we get a palindrome (55612221655).

The spelling of 11200121444 in words is "eleven billion, two hundred million, one hundred twenty-one thousand, four hundred forty-four".