141201221 has 4 divisors (see below), whose sum is σ = 161372832. Its totient is φ = 121029612.

The previous prime is 141201161. The next prime is 141201233. The reversal of 141201221 is 122102141.

It is a happy number.

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 141201221 - 2¹⁸ = 140939077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141201196 and 141201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141201271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10085795 + ... + 10085808.

It is an arithmetic number, because the mean of its divisors is an integer number (40343208).

Almost surely, 2^141201221 is an apocalyptic number.

It is an amenable number.

141201221 is a deficient number, since it is larger than the sum of its proper divisors (20171611).

141201221 is an equidigital number, since it uses as much as digits as its factorization.

141201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171610.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 141201221 is about 11882.8119988494. The cubic root of 141201221 is about 520.7302621909.

Adding to 141201221 its reverse (122102141), we get a palindrome (263303362).

The spelling of 141201221 in words is "one hundred forty-one million, two hundred one thousand, two hundred twenty-one".