1001341221 has 8 divisors (see below), whose sum is σ = 1337108160. Its totient is φ = 666567552.

The previous prime is 1001341213. The next prime is 1001341247. The reversal of 1001341221 is 1221431001.

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

It is not a de Polignac number, because 1001341221 - 2³ = 1001341213 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001341221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001341421) 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, 245961 + ... + 249998.

It is an arithmetic number, because the mean of its divisors is an integer number (167138520).

Almost surely, 2^1001341221 is an apocalyptic number.

It is an amenable number.

1001341221 is a deficient number, since it is larger than the sum of its proper divisors (335766939).

1001341221 is an equidigital number, since it uses as much as digits as its factorization.

1001341221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496635.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1001341221 is about 31643.9760618036. The cubic root of 1001341221 is about 1000.4468739406.

Adding to 1001341221 its reverse (1221431001), we get a palindrome (2222772222).

The spelling of 1001341221 in words is "one billion, one million, three hundred forty-one thousand, two hundred twenty-one".