20111121300044 has 12 divisors (see below), whose sum is σ = 35463122293368. Its totient is φ = 9978800644800.

The previous prime is 20111121300043. The next prime is 20111121300089. The reversal of 20111121300044 is 44000312111102.

It is a junction number, because it is equal to n+sod(n) for n = 20111121299989 and 20111121300025.

It is not an unprimeable number, because it can be changed into a prime (20111121300043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19190000717 + ... + 19190001764.

It is an arithmetic number, because the mean of its divisors is an integer number (2955260191114).

Almost surely, 2^{20111121300044} is an apocalyptic number.

It is an amenable number.

20111121300044 is a deficient number, since it is larger than the sum of its proper divisors (15352000993324).

20111121300044 is a wasteful number, since it uses less digits than its factorization.

20111121300044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38380002616 (or 38380002614 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20111121300044 its reverse (44000312111102), we get a palindrome (64111433411146).

The spelling of 20111121300044 in words is "twenty trillion, one hundred eleven billion, one hundred twenty-one million, three hundred thousand, forty-four".