1142101103442 has 64 divisors (see below), whose sum is σ = 2507342947200. Its totient is φ = 344684634624.

The previous prime is 1142101103431. The next prime is 1142101103483. The reversal of 1142101103442 is 2443011012411.

It is a happy 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, 748684 + ... + 1686632.

It is an arithmetic number, because the mean of its divisors is an integer number (39177233550).

Almost surely, 2^{1142101103442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142101103442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253671473600).

1142101103442 is an abundant number, since it is smaller than the sum of its proper divisors (1365241843758).

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

1142101103442 is a wasteful number, since it uses less digits than its factorization.

1142101103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938267.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1142101103442 its reverse (2443011012411), we get a palindrome (3585112115853).

The spelling of 1142101103442 in words is "one trillion, one hundred forty-two billion, one hundred one million, one hundred three thousand, four hundred forty-two".