201122200021101 has 32 divisors (see below), whose sum is σ = 289827155735040. Its totient is φ = 123647038933824.

The previous prime is 201122200021097. The next prime is 201122200021109. The reversal of 201122200021101 is 101120002221102.

It is not a de Polignac number, because 201122200021101 - 2² = 201122200021097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122200021109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139311211 + ... + 140747496.

It is an arithmetic number, because the mean of its divisors is an integer number (9057098616720).

Almost surely, 2^{201122200021101} is an apocalyptic number.

It is an amenable number.

201122200021101 is a deficient number, since it is larger than the sum of its proper divisors (88704955713939).

201122200021101 is a wasteful number, since it uses less digits than its factorization.

201122200021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280059065.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201122200021101 its reverse (101120002221102), we get a palindrome (302242202242203).

The spelling of 201122200021101 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred million, twenty-one thousand, one hundred one".