1111230223240 has 192 divisors, whose sum is σ = 2780336890800. Its totient is φ = 397859438592.

The previous prime is 1111230223177. The next prime is 1111230223277. The reversal of 1111230223240 is 423220321111.

It can be written as a sum of positive squares in 8 ways, for example, as 994196444836 + 117033778404 = 997094^2 + 342102^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88516804 + ... + 88529356.

Almost surely, 2^{1111230223240} is an apocalyptic number.

1111230223240 is a gapful number since it is divisible by the number (10) 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 1111230223240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390168445400).

1111230223240 is an abundant number, since it is smaller than the sum of its proper divisors (1669106667560).

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

1111230223240 is a wasteful number, since it uses less digits than its factorization.

1111230223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744 (or 12673 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1111230223240 its reverse (423220321111), we get a palindrome (1534450544351).

The spelling of 1111230223240 in words is "one trillion, one hundred eleven billion, two hundred thirty million, two hundred twenty-three thousand, two hundred forty".