142320222303221 has 8 divisors (see below), whose sum is σ = 150228060494400. Its totient is φ = 134454114129600.

The previous prime is 142320222303131. The next prime is 142320222303227. The reversal of 142320222303221 is 122303222023241.

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

It is a cyclic number.

It is not a de Polignac number, because 142320222303221 - 2⁴⁶ = 71951478125557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142320222303227) 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, 10432497380 + ... + 10432511021.

It is an arithmetic number, because the mean of its divisors is an integer number (18778507561800).

Almost surely, 2^{142320222303221} is an apocalyptic number.

It is an amenable number.

142320222303221 is a deficient number, since it is larger than the sum of its proper divisors (7907838191179).

142320222303221 is a wasteful number, since it uses less digits than its factorization.

142320222303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20865008779.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 142320222303221 its reverse (122303222023241), we get a palindrome (264623444326462).

The spelling of 142320222303221 in words is "one hundred forty-two trillion, three hundred twenty billion, two hundred twenty-two million, three hundred three thousand, two hundred twenty-one".