201000122111101 has 8 divisors (see below), whose sum is σ = 201136628706464. Its totient is φ = 200863638546480.

The previous prime is 201000122111081. The next prime is 201000122111179. The reversal of 201000122111101 is 101111221000102.

It is a happy number.

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 201000122111101 - 2⁹ = 201000122110589 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 (201000122181101) 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, 11721190 + ... + 23224696.

It is an arithmetic number, because the mean of its divisors is an integer number (25142078588308).

Almost surely, 2^{201000122111101} is an apocalyptic number.

It is an amenable number.

201000122111101 is a deficient number, since it is larger than the sum of its proper divisors (136506595363).

201000122111101 is a wasteful number, since it uses less digits than its factorization.

201000122111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11515371.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201000122111101 its reverse (101111221000102), we get a palindrome (302111343111203).

The spelling of 201000122111101 in words is "two hundred one trillion, one hundred twenty-two million, one hundred eleven thousand, one hundred one".