141123221 has 12 divisors (see below), whose sum is σ = 145832544. Its totient is φ = 136537800.

The previous prime is 141123211. The next prime is 141123223. The reversal of 141123221 is 122321141.

141123221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 141123221 - 2²² = 136928917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141123221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141123223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246866 + ... + 247436.

It is an arithmetic number, because the mean of its divisors is an integer number (12152712).

Almost surely, 2^141123221 is an apocalyptic number.

It is an amenable number.

141123221 is a deficient number, since it is larger than the sum of its proper divisors (4709323).

141123221 is an frugal number, since it uses more digits than its factorization.

141123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 701 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 141123221 is about 11879.5294940498. The cubic root of 141123221 is about 520.6343601833.

Adding to 141123221 its reverse (122321141), we get a palindrome (263444362).

The spelling of 141123221 in words is "one hundred forty-one million, one hundred twenty-three thousand, two hundred twenty-one".