1001021122201 has 8 divisors (see below), whose sum is σ = 1044601257600. Its totient is φ = 957445776672.

The previous prime is 1001021122187. The next prime is 1001021122207. The reversal of 1001021122201 is 1022211201001.

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 1001021122201 - 2⁵ = 1001021122169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001021122207) 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, 767101 + ... + 1609498.

It is an arithmetic number, because the mean of its divisors is an integer number (130575157200).

Almost surely, 2^{1001021122201} is an apocalyptic number.

It is an amenable number.

1001021122201 is a deficient number, since it is larger than the sum of its proper divisors (43580135399).

1001021122201 is a wasteful number, since it uses less digits than its factorization.

1001021122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394935.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001021122201 its reverse (1022211201001), we get a palindrome (2023232323202).

The spelling of 1001021122201 in words is "one trillion, one billion, twenty-one million, one hundred twenty-two thousand, two hundred one".