1301000221 has 8 divisors (see below), whose sum is σ = 1358884800. Its totient is φ = 1243225632.

The previous prime is 1301000213. The next prime is 1301000227. The reversal of 1301000221 is 1220001031.

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 1301000221 - 2³ = 1301000213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301000198 and 1301000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301000227) 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, 2835 + ... + 51088.

It is an arithmetic number, because the mean of its divisors is an integer number (169860600).

Almost surely, 2^1301000221 is an apocalyptic number.

It is an amenable number.

1301000221 is a deficient number, since it is larger than the sum of its proper divisors (57884579).

1301000221 is a wasteful number, since it uses less digits than its factorization.

1301000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54995.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1301000221 is about 36069.3806572833. The cubic root of 1301000221 is about 1091.6727174797.

Adding to 1301000221 its reverse (1220001031), we get a palindrome (2521001252).

The spelling of 1301000221 in words is "one billion, three hundred one million, two hundred twenty-one", and thus it is an aban number.