4142301221 has 4 divisors (see below), whose sum is σ = 4160549472. Its totient is φ = 4124052972.

The previous prime is 4142301203. The next prime is 4142301263. The reversal of 4142301221 is 1221032414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4142301221 - 2²⁶ = 4075192357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4142301193 and 4142301202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142301521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9123785 + ... + 9124238.

It is an arithmetic number, because the mean of its divisors is an integer number (1040137368).

Almost surely, 2^4142301221 is an apocalyptic number.

It is an amenable number.

4142301221 is a deficient number, since it is larger than the sum of its proper divisors (18248251).

4142301221 is a wasteful number, since it uses less digits than its factorization.

4142301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18248250.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4142301221 is about 64360.7117813344. The cubic root of 4142301221 is about 1606.0062298568.

Adding to 4142301221 its reverse (1221032414), we get a palindrome (5363333635).

The spelling of 4142301221 in words is "four billion, one hundred forty-two million, three hundred one thousand, two hundred twenty-one".