2001002211201 has 8 divisors (see below), whose sum is σ = 3049146226624. Its totient is φ = 1143429834960.

The previous prime is 2001002211137. The next prime is 2001002211209. The reversal of 2001002211201 is 1021122001002.

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

It is not a de Polignac number, because 2001002211201 - 2⁶ = 2001002211137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001002211209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47642909770 + ... + 47642909811.

It is an arithmetic number, because the mean of its divisors is an integer number (381143278328).

Almost surely, 2^{2001002211201} is an apocalyptic number.

2001002211201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2001002211201 is a deficient number, since it is larger than the sum of its proper divisors (1048144015423).

2001002211201 is an equidigital number, since it uses as much as digits as its factorization.

2001002211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95285819591.

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

Adding to 2001002211201 its reverse (1021122001002), we get a palindrome (3022124212203).

The spelling of 2001002211201 in words is "two trillion, one billion, two million, two hundred eleven thousand, two hundred one".