2001021122301 has 4 divisors (see below), whose sum is σ = 2668028163072. Its totient is φ = 1334014081532.

The previous prime is 2001021122293. The next prime is 2001021122339. The reversal of 2001021122301 is 1032211201002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2001021122301 - 2³ = 2001021122293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001021126301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333503520381 + ... + 333503520386.

It is an arithmetic number, because the mean of its divisors is an integer number (667007040768).

Almost surely, 2^{2001021122301} is an apocalyptic number.

It is an amenable number.

2001021122301 is a deficient number, since it is larger than the sum of its proper divisors (667007040771).

2001021122301 is an equidigital number, since it uses as much as digits as its factorization.

2001021122301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667007040770.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2001021122301 its reverse (1032211201002), we get a palindrome (3033232323303).

The spelling of 2001021122301 in words is "two trillion, one billion, twenty-one million, one hundred twenty-two thousand, three hundred one".