201000011000101 has 4 divisors (see below), whose sum is σ = 201327906614092. Its totient is φ = 200672115386112.

The previous prime is 201000011000057. The next prime is 201000011000141. The reversal of 201000011000101 is 101000110000102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26082827908225 + 174917183091876 = 5107135^2 + 13225626^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000011000101 - 2⁹ = 201000010999589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000011000141) 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, 163947806076 + ... + 163947807301.

It is an arithmetic number, because the mean of its divisors is an integer number (50331976653523).

Almost surely, 2^{201000011000101} is an apocalyptic number.

It is an amenable number.

201000011000101 is a deficient number, since it is larger than the sum of its proper divisors (327895613991).

201000011000101 is an equidigital number, since it uses as much as digits as its factorization.

201000011000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327895613990.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 201000011000101 its reverse (101000110000102), we get a palindrome (302000121000203).

Subtracting from 201000011000101 its reverse (101000110000102), we obtain a palindrome (99999900999999).

The spelling of 201000011000101 in words is "two hundred one trillion, eleven million, one hundred one", and thus it is an aban number.