141219221 has 24 divisors (see below), whose sum is σ = 177031512. Its totient is φ = 111513600.

The previous prime is 141219139. The next prime is 141219223. The reversal of 141219221 is 122912141.

141219221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2686321 + 138532900 = 1639^2 + 11770^2 .

It is not a de Polignac number, because 141219221 - 2²⁶ = 74110357 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 (141219223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24101 + ... + 29381.

It is an arithmetic number, because the mean of its divisors is an integer number (7376313).

Almost surely, 2^141219221 is an apocalyptic number.

141219221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141219221 is a deficient number, since it is larger than the sum of its proper divisors (35812291).

141219221 is a wasteful number, since it uses less digits than its factorization.

141219221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333 (or 5322 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 141219221 is about 11883.5693711948. The cubic root of 141219221 is about 520.7523884077.

The spelling of 141219221 in words is "one hundred forty-one million, two hundred nineteen thousand, two hundred twenty-one".