2201201020001 has 4 divisors (see below), whose sum is σ = 2242733114772. Its totient is φ = 2159668925232.

The previous prime is 2201201019973. The next prime is 2201201020013. The reversal of 2201201020001 is 1000201021022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1088600089600 + 1112600930401 = 1043360^2 + 1054799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201201020001 - 2²² = 2201196825697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201206020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20766047306 + ... + 20766047411.

It is an arithmetic number, because the mean of its divisors is an integer number (560683278693).

Almost surely, 2^{2201201020001} is an apocalyptic number.

It is an amenable number.

2201201020001 is a deficient number, since it is larger than the sum of its proper divisors (41532094771).

2201201020001 is an equidigital number, since it uses as much as digits as its factorization.

2201201020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41532094770.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2201201020001 its reverse (1000201021022), we get a palindrome (3201402041023).

The spelling of 2201201020001 in words is "two trillion, two hundred one billion, two hundred one million, twenty thousand, one".