142221011326 has 8 divisors (see below), whose sum is σ = 213658213464. Its totient is φ = 71001606840.

The previous prime is 142221011311. The next prime is 142221011347. The reversal of 142221011326 is 623110122241.

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 142221011326.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54447780 + ... + 54450391.

It is an arithmetic number, because the mean of its divisors is an integer number (26707276683).

Almost surely, 2^142221011326 is an apocalyptic number.

142221011326 is a deficient number, since it is larger than the sum of its proper divisors (71437202138).

142221011326 is a wasteful number, since it uses less digits than its factorization.

142221011326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108898826.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 142221011326 its reverse (623110122241), we get a palindrome (765331133567).

The spelling of 142221011326 in words is "one hundred forty-two billion, two hundred twenty-one million, eleven thousand, three hundred twenty-six".