221124141 has 32 divisors (see below), whose sum is σ = 375148800. Its totient is φ = 126100800.

The previous prime is 221124133. The next prime is 221124157. The reversal of 221124141 is 141421122.

221124141 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 221124141 - 2³ = 221124133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221124131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131655 + ... + 133323.

It is an arithmetic number, because the mean of its divisors is an integer number (11723400).

Almost surely, 2^221124141 is an apocalyptic number.

221124141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221124141 is a deficient number, since it is larger than the sum of its proper divisors (154024659).

221124141 is a wasteful number, since it uses less digits than its factorization.

221124141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2380 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 221124141 is about 14870.2434748056. The cubic root of 221124141 is about 604.7075434616.

Adding to 221124141 its reverse (141421122), we get a palindrome (362545263).

The spelling of 221124141 in words is "two hundred twenty-one million, one hundred twenty-four thousand, one hundred forty-one".