221440134301 has 8 divisors (see below), whose sum is σ = 237768364224. Its totient is φ = 205478831040.

The previous prime is 221440134287. The next prime is 221440134313. The reversal of 221440134301 is 103431044122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221440134301 - 2⁵ = 221440134269 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 (221440134341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91730415 + ... + 91732828.

It is an arithmetic number, because the mean of its divisors is an integer number (29721045528).

Almost surely, 2^221440134301 is an apocalyptic number.

It is an amenable number.

221440134301 is a deficient number, since it is larger than the sum of its proper divisors (16328229923).

221440134301 is a wasteful number, since it uses less digits than its factorization.

221440134301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183463331.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221440134301 its reverse (103431044122), we get a palindrome (324871178423).

The spelling of 221440134301 in words is "two hundred twenty-one billion, four hundred forty million, one hundred thirty-four thousand, three hundred one".