141101221 has 4 divisors (see below), whose sum is σ = 142420032. Its totient is φ = 139782412.

The previous prime is 141101209. The next prime is 141101231. The reversal of 141101221 is 122101141.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122101141 = 569 ⋅214589.

It is a cyclic number.

It is not a de Polignac number, because 141101221 - 2⁹ = 141100709 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 (141101231) 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, 659245 + ... + 659458.

It is an arithmetic number, because the mean of its divisors is an integer number (35605008).

Almost surely, 2^141101221 is an apocalyptic number.

It is an amenable number.

141101221 is a deficient number, since it is larger than the sum of its proper divisors (1318811).

141101221 is a wasteful number, since it uses less digits than its factorization.

141101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318810.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 141101221 is about 11878.6034953609. The cubic root of 141101221 is about 520.6073045103.

Adding to 141101221 its reverse (122101141), we get a palindrome (263202362).

The spelling of 141101221 in words is "one hundred forty-one million, one hundred one thousand, two hundred twenty-one".