201011203101101 has 4 divisors (see below), whose sum is σ = 201512477922204. Its totient is φ = 200509928280000.

The previous prime is 201011203101097. The next prime is 201011203101167. The reversal of 201011203101101 is 101101302110102.

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 160281930062500 + 40729273038601 = 12660250^2 + 6381949^2 .

It is a cyclic number.

It is not a de Polignac number, because 201011203101101 - 2² = 201011203101097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011203101001) 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, 250637409950 + ... + 250637410751.

It is an arithmetic number, because the mean of its divisors is an integer number (50378119480551).

Almost surely, 2^{201011203101101} is an apocalyptic number.

It is an amenable number.

201011203101101 is a deficient number, since it is larger than the sum of its proper divisors (501274821103).

201011203101101 is an equidigital number, since it uses as much as digits as its factorization.

201011203101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501274821102.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 201011203101101 its reverse (101101302110102), we get a palindrome (302112505211203).

Subtracting from 201011203101101 its reverse (101101302110102), we obtain a palindrome (99909900990999).

The spelling of 201011203101101 in words is "two hundred one trillion, eleven billion, two hundred three million, one hundred one thousand, one hundred one".