201000120211001 has 8 divisors (see below), whose sum is σ = 202150138104264. Its totient is φ = 199851221560320.

The previous prime is 201000120210997. The next prime is 201000120211003. The reversal of 201000120211001 is 100112021000102.

It can be written as a sum of positive squares in 4 ways, for example, as 14237262400 + 200985882948601 = 119320^2 + 14176949^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201000120211001 - 2² = 201000120210997 is a prime.

It is a super-2 number, since 2×201000120211001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000120211003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279450446 + ... + 280168791.

It is an arithmetic number, because the mean of its divisors is an integer number (25268767263033).

Almost surely, 2^{201000120211001} is an apocalyptic number.

It is an amenable number.

201000120211001 is a deficient number, since it is larger than the sum of its proper divisors (1150017893263).

201000120211001 is a wasteful number, since it uses less digits than its factorization.

201000120211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559621291.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201000120211001 its reverse (100112021000102), we get a palindrome (301112141211103).

The spelling of 201000120211001 in words is "two hundred one trillion, one hundred twenty million, two hundred eleven thousand, one".