1142331221302 has 16 divisors (see below), whose sum is σ = 1817883095040. Its totient is φ = 536843596968.

The previous prime is 1142331221263. The next prime is 1142331221309. The reversal of 1142331221302 is 2031221332411.

It is a super-2 number, since 2×1142331221302² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142331221309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118346938 + ... + 118356589.

It is an arithmetic number, because the mean of its divisors is an integer number (113617693440).

Almost surely, 2^{1142331221302} is an apocalyptic number.

1142331221302 is a deficient number, since it is larger than the sum of its proper divisors (675551873738).

1142331221302 is a wasteful number, since it uses less digits than its factorization.

1142331221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236703675.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1142331221302 its reverse (2031221332411), we get a palindrome (3173552553713).

The spelling of 1142331221302 in words is "one trillion, one hundred forty-two billion, three hundred thirty-one million, two hundred twenty-one thousand, three hundred two".