221130301 has 8 divisors (see below), whose sum is σ = 253472960. Its totient is φ = 188975808.

The previous prime is 221130277. The next prime is 221130313. The reversal of 221130301 is 103031122.

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

It is not a de Polignac number, because 221130301 - 2⁵ = 221130269 is a prime.

It is a super-2 number, since 2×221130301² = 97797220040701202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221130361) 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, 44511 + ... + 49228.

It is an arithmetic number, because the mean of its divisors is an integer number (31684120).

Almost surely, 2^221130301 is an apocalyptic number.

It is an amenable number.

221130301 is a deficient number, since it is larger than the sum of its proper divisors (32342659).

221130301 is an equidigital number, since it uses as much as digits as its factorization.

221130301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94083.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 221130301 is about 14870.4505984183. The cubic root of 221130301 is about 604.7131586541.

Adding to 221130301 its reverse (103031122), we get a palindrome (324161423).

The spelling of 221130301 in words is "two hundred twenty-one million, one hundred thirty thousand, three hundred one".