201122102100001 has 4 divisors (see below), whose sum is σ = 204123924519472. Its totient is φ = 198120279680532.

The previous prime is 201122102099923. The next prime is 201122102100013. The reversal of 201122102100001 is 100001201221102.

201122102100001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201122102100001 - 2²³ = 201122093711393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122102100061) 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, 1500911209635 + ... + 1500911209768.

It is an arithmetic number, because the mean of its divisors is an integer number (51030981129868).

Almost surely, 2^{201122102100001} is an apocalyptic number.

It is an amenable number.

201122102100001 is a deficient number, since it is larger than the sum of its proper divisors (3001822419471).

201122102100001 is an equidigital number, since it uses as much as digits as its factorization.

201122102100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001822419470.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201122102100001 its reverse (100001201221102), we get a palindrome (301123303321103).

The spelling of 201122102100001 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred two million, one hundred thousand, one".