11100121124 has 24 divisors (see below), whose sum is σ = 19522272000. Its totient is φ = 5522358816.

The previous prime is 11100121121. The next prime is 11100121129. The reversal of 11100121124 is 42112100111.

It is a junction number, because it is equal to n+sod(n) for n = 11100121099 and 11100121108.

It is not an unprimeable number, because it can be changed into a prime (11100121121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493869 + ... + 2498315.

It is an arithmetic number, because the mean of its divisors is an integer number (813428000).

Almost surely, 2^11100121124 is an apocalyptic number.

It is an amenable number.

11100121124 is a deficient number, since it is larger than the sum of its proper divisors (8422150876).

11100121124 is a wasteful number, since it uses less digits than its factorization.

11100121124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427 (or 7425 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11100121124 its reverse (42112100111), we get a palindrome (53212221235).

The spelling of 11100121124 in words is "eleven billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-four".