1000221210201 has 8 divisors (see below), whose sum is σ = 1333751272704. Its totient is φ = 666752643920.

The previous prime is 1000221210179. The next prime is 1000221210203. The reversal of 1000221210201 is 1020121220001.

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 1000221210201 - 2³⁰ = 999147468377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000221210203) 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, 15336090 + ... + 15401171.

It is an arithmetic number, because the mean of its divisors is an integer number (166718909088).

Almost surely, 2^{1000221210201} is an apocalyptic number.

It is an amenable number.

1000221210201 is a deficient number, since it is larger than the sum of its proper divisors (333530062503).

1000221210201 is a wasteful number, since it uses less digits than its factorization.

1000221210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30748111.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000221210201 its reverse (1020121220001), we get a palindrome (2020342430202).

The spelling of 1000221210201 in words is "one trillion, two hundred twenty-one million, two hundred ten thousand, two hundred one".