11123121024 has 96 divisors (see below), whose sum is σ = 32612041800. Its totient is φ = 3637730304.

The previous prime is 11123121007. The next prime is 11123121091. The reversal of 11123121024 is 42012132111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11123120988 and 11123121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30034 + ... + 152145.

Almost surely, 2^11123121024 is an apocalyptic number.

It is an amenable number.

11123121024 is an abundant number, since it is smaller than the sum of its proper divisors (21488920776).

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

11123121024 is a wasteful number, since it uses less digits than its factorization.

11123121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182252 (or 182237 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11123121024 its reverse (42012132111), we get a palindrome (53135253135).

The spelling of 11123121024 in words is "eleven billion, one hundred twenty-three million, one hundred twenty-one thousand, twenty-four".