201122121112201 has 16 divisors (see below), whose sum is σ = 215703037895040. Its totient is φ = 186940793894400.

The previous prime is 201122121112153. The next prime is 201122121112249. The reversal of 201122121112201 is 102211121221102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201122121112153) and next prime (201122121112249).

It is a cyclic number.

It is not a de Polignac number, because 201122121112201 - 2³³ = 201113531177609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (201122121112261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289057276 + ... + 289752226.

It is an arithmetic number, because the mean of its divisors is an integer number (13481439868440).

Almost surely, 2^{201122121112201} is an apocalyptic number.

It is an amenable number.

201122121112201 is a deficient number, since it is larger than the sum of its proper divisors (14580916782839).

201122121112201 is a wasteful number, since it uses less digits than its factorization.

201122121112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982416.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201122121112201 its reverse (102211121221102), we get a palindrome (303333242333303).

The spelling of 201122121112201 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, two hundred one".