1120221230142 has 24 divisors (see below), whose sum is σ = 2606228985096. Its totient is φ = 320063208528.

The previous prime is 1120221230129. The next prime is 1120221230159. The reversal of 1120221230142 is 2410321220211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1905137853 + ... + 1905138440.

It is an arithmetic number, because the mean of its divisors is an integer number (108592874379).

Almost surely, 2^{1120221230142} is an apocalyptic number.

1120221230142 is an abundant number, since it is smaller than the sum of its proper divisors (1486007754954).

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

1120221230142 is a wasteful number, since it uses less digits than its factorization.

1120221230142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810276312 (or 3810276305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1120221230142 its reverse (2410321220211), we get a palindrome (3530542450353).

The spelling of 1120221230142 in words is "one trillion, one hundred twenty billion, two hundred twenty-one million, two hundred thirty thousand, one hundred forty-two".