141021113 has 4 divisors (see below), whose sum is σ = 145883940. Its totient is φ = 136158288.

The previous prime is 141021109. The next prime is 141021161. The reversal of 141021113 is 311120141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77228944 + 63792169 = 8788^2 + 7987^2 .

It is a cyclic number.

It is not a de Polignac number, because 141021113 - 2² = 141021109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2431370 + ... + 2431427.

It is an arithmetic number, because the mean of its divisors is an integer number (36470985).

Almost surely, 2^141021113 is an apocalyptic number.

It is an amenable number.

141021113 is a deficient number, since it is larger than the sum of its proper divisors (4862827).

141021113 is an equidigital number, since it uses as much as digits as its factorization.

141021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862826.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 141021113 is about 11875.2310714360. The cubic root of 141021113 is about 520.5087636553.

Adding to 141021113 its reverse (311120141), we get a palindrome (452141254).

The spelling of 141021113 in words is "one hundred forty-one million, twenty-one thousand, one hundred thirteen".