142141313221 has 16 divisors (see below), whose sum is σ = 144886477824. Its totient is φ = 139419598464.

The previous prime is 142141313219. The next prime is 142141313227. The reversal of 142141313221 is 122313141241.

It is a cyclic number.

It is not a de Polignac number, because 142141313221 - 2¹ = 142141313219 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 (142141313227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11647695 + ... + 11659891.

It is an arithmetic number, because the mean of its divisors is an integer number (9055404864).

Almost surely, 2^142141313221 is an apocalyptic number.

It is an amenable number.

142141313221 is a deficient number, since it is larger than the sum of its proper divisors (2745164603).

142141313221 is a wasteful number, since it uses less digits than its factorization.

142141313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13140.

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

Adding to 142141313221 its reverse (122313141241), we get a palindrome (264454454462).

The spelling of 142141313221 in words is "one hundred forty-two billion, one hundred forty-one million, three hundred thirteen thousand, two hundred twenty-one".