1001201022201 has 8 divisors (see below), whose sum is σ = 1334939833504. Its totient is φ = 667464779520.

The previous prime is 1001201022187. The next prime is 1001201022203. The reversal of 1001201022201 is 1022201021001.

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

It is not a de Polignac number, because 1001201022201 - 2⁵ = 1001201022169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001201022203) 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, 623961 + ... + 1546521.

It is an arithmetic number, because the mean of its divisors is an integer number (166867479188).

Almost surely, 2^{1001201022201} is an apocalyptic number.

It is an amenable number.

1001201022201 is a deficient number, since it is larger than the sum of its proper divisors (333738811303).

1001201022201 is an equidigital number, since it uses as much as digits as its factorization.

1001201022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284311.

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

Adding to 1001201022201 its reverse (1022201021001), we get a palindrome (2023402043202).

The spelling of 1001201022201 in words is "one trillion, one billion, two hundred one million, twenty-two thousand, two hundred one".