201043241101 has 8 divisors (see below), whose sum is σ = 203151105080. Its totient is φ = 198936096768.

The previous prime is 201043241041. The next prime is 201043241111. The reversal of 201043241101 is 101142340102.

It can be written as a sum of positive squares in 4 ways, for example, as 83579388201 + 117463852900 = 289101^2 + 342730^2 .

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 201043241101 - 2⁷ = 201043240973 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 (201043241111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391195 + ... + 745063.

It is an arithmetic number, because the mean of its divisors is an integer number (25393888135).

Almost surely, 2^201043241101 is an apocalyptic number.

It is an amenable number.

201043241101 is a deficient number, since it is larger than the sum of its proper divisors (2107863979).

201043241101 is an equidigital number, since it uses as much as digits as its factorization.

201043241101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359823.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201043241101 its reverse (101142340102), we get a palindrome (302185581203).

Subtracting from 201043241101 its reverse (101142340102), we obtain a palindrome (99900900999).

The spelling of 201043241101 in words is "two hundred one billion, forty-three million, two hundred forty-one thousand, one hundred one".