220111244124 has 12 divisors (see below), whose sum is σ = 513592902984. Its totient is φ = 73370414704.

The previous prime is 220111244069. The next prime is 220111244141. The reversal of 220111244124 is 421442111022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 220111244094 and 220111244103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9171301827 + ... + 9171301850.

It is an arithmetic number, because the mean of its divisors is an integer number (42799408582).

Almost surely, 2^220111244124 is an apocalyptic number.

It is an amenable number.

220111244124 is an abundant number, since it is smaller than the sum of its proper divisors (293481658860).

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

220111244124 is a wasteful number, since it uses less digits than its factorization.

220111244124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18342603684 (or 18342603682 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 220111244124 its reverse (421442111022), we get a palindrome (641553355146).

The spelling of 220111244124 in words is "two hundred twenty billion, one hundred eleven million, two hundred forty-four thousand, one hundred twenty-four".