201011010111001 has 32 divisors (see below), whose sum is σ = 215091163065600. Its totient is φ = 187184166604800.

The previous prime is 201011010110969. The next prime is 201011010111013. The reversal of 201011010111001 is 100111010110102.

It is a cyclic number.

It is not a de Polignac number, because 201011010111001 - 2⁵ = 201011010110969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201011010111701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20682268020 + ... + 20682277738.

It is an arithmetic number, because the mean of its divisors is an integer number (6721598845800).

Almost surely, 2^{201011010111001} is an apocalyptic number.

It is an amenable number.

201011010111001 is a deficient number, since it is larger than the sum of its proper divisors (14080152954599).

201011010111001 is a wasteful number, since it uses less digits than its factorization.

201011010111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16929.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 201011010111001 its reverse (100111010110102), we get a palindrome (301122020221103).

The spelling of 201011010111001 in words is "two hundred one trillion, eleven billion, ten million, one hundred eleven thousand, one".