1131222142342 has 8 divisors (see below), whose sum is σ = 1696990783032. Its totient is φ = 565558548000.

The previous prime is 1131222142249. The next prime is 1131222142343. The reversal of 1131222142342 is 2432412221311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1131222142342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131222142343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26234659 + ... + 26277742.

It is an arithmetic number, because the mean of its divisors is an integer number (212123847879).

Almost surely, 2^{1131222142342} is an apocalyptic number.

1131222142342 is a deficient number, since it is larger than the sum of its proper divisors (565768640690).

1131222142342 is a wasteful number, since it uses less digits than its factorization.

1131222142342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52523174.

The product of its digits is 4608, while the sum is 28.

Adding to 1131222142342 its reverse (2432412221311), we get a palindrome (3563634363653).

The spelling of 1131222142342 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, one hundred forty-two thousand, three hundred forty-two".