1111241210442 has 64 divisors (see below), whose sum is σ = 2568894455808. Its totient is φ = 316715616000.

The previous prime is 1111241210377. The next prime is 1111241210461. The reversal of 1111241210442 is 2440121421111.

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, 1313817 + ... + 1987107.

It is an arithmetic number, because the mean of its divisors is an integer number (40138975872).

Almost surely, 2^{1111241210442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111241210442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284447227904).

1111241210442 is an abundant number, since it is smaller than the sum of its proper divisors (1457653245366).

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

1111241210442 is a wasteful number, since it uses less digits than its factorization.

1111241210442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674795.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 1111241210442 its reverse (2440121421111), we get a palindrome (3551362631553).

The spelling of 1111241210442 in words is "one trillion, one hundred eleven billion, two hundred forty-one million, two hundred ten thousand, four hundred forty-two".