221124201 has 16 divisors (see below), whose sum is σ = 300706560. Its totient is φ = 144506960.

The previous prime is 221124181. The next prime is 221124221. The reversal of 221124201 is 102421122.

221124201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221124181) and next prime (221124221).

It is a cyclic number.

It is not a de Polignac number, because 221124201 - 2¹³ = 221116009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221124221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29230 + ... + 36008.

It is an arithmetic number, because the mean of its divisors is an integer number (18794160).

Almost surely, 2^221124201 is an apocalyptic number.

It is an amenable number.

221124201 is a deficient number, since it is larger than the sum of its proper divisors (79582359).

221124201 is a wasteful number, since it uses less digits than its factorization.

221124201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 221124201 is about 14870.2454922573. The cubic root of 221124201 is about 604.7075981555.

Adding to 221124201 its reverse (102421122), we get a palindrome (323545323).

The spelling of 221124201 in words is "two hundred twenty-one million, one hundred twenty-four thousand, two hundred one".