242111110420 has 96 divisors (see below), whose sum is σ = 555560248320. Its totient is φ = 88384020480.

The previous prime is 242111110403. The next prime is 242111110489. The reversal of 242111110420 is 24011111242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 616564 + ... + 929716.

It is an arithmetic number, because the mean of its divisors is an integer number (5787085920).

Almost surely, 2^242111110420 is an apocalyptic number.

242111110420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242111110420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277780124160).

242111110420 is an abundant number, since it is smaller than the sum of its proper divisors (313449137900).

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

242111110420 is a wasteful number, since it uses less digits than its factorization.

242111110420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313265 (or 313263 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 242111110420 its reverse (24011111242), we get a palindrome (266122221662).

The spelling of 242111110420 in words is "two hundred forty-two billion, one hundred eleven million, one hundred ten thousand, four hundred twenty".