11203111121224 has 32 divisors (see below), whose sum is σ = 22916604110400. Its totient is φ = 5092067782720.

The previous prime is 11203111121221. The next prime is 11203111121297. The reversal of 11203111121224 is 42212111130211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11203111121195 and 11203111121204.

It is not an unprimeable number, because it can be changed into a prime (11203111121221) 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, 1423444 + ... + 4942915.

It is an arithmetic number, because the mean of its divisors is an integer number (716143878450).

Almost surely, 2^{11203111121224} is an apocalyptic number.

It is an amenable number.

11203111121224 is an abundant number, since it is smaller than the sum of its proper divisors (11713492989176).

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

11203111121224 is a wasteful number, since it uses less digits than its factorization.

11203111121224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386373 (or 6386369 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 11203111121224 its reverse (42212111130211), we get a palindrome (53415222251435).

The spelling of 11203111121224 in words is "eleven trillion, two hundred three billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twenty-four".