2001210002201 has 4 divisors (see below), whose sum is σ = 2031078808272. Its totient is φ = 1971341196132.

The previous prime is 2001210002189. The next prime is 2001210002203. The reversal of 2001210002201 is 1022000121002.

It is a happy number.

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 2001210002201 - 2¹⁰ = 2001210001177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001210002203) 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, 14934402935 + ... + 14934403068.

It is an arithmetic number, because the mean of its divisors is an integer number (507769702068).

Almost surely, 2^{2001210002201} is an apocalyptic number.

It is an amenable number.

2001210002201 is a deficient number, since it is larger than the sum of its proper divisors (29868806071).

2001210002201 is an equidigital number, since it uses as much as digits as its factorization.

2001210002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29868806070.

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

Adding to 2001210002201 its reverse (1022000121002), we get a palindrome (3023210123203).

The spelling of 2001210002201 in words is "two trillion, one billion, two hundred ten million, two thousand, two hundred one".