201222100101 has 16 divisors (see below), whose sum is σ = 292936693248. Its totient is φ = 121848620400.

The previous prime is 201222100099. The next prime is 201222100129. The reversal of 201222100101 is 101001222102.

201222100101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201222100101 - 2¹ = 201222100099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2564961 + ... + 2642246.

It is an arithmetic number, because the mean of its divisors is an integer number (18308543328).

Almost surely, 2^201222100101 is an apocalyptic number.

It is an amenable number.

201222100101 is a deficient number, since it is larger than the sum of its proper divisors (91714593147).

201222100101 is a wasteful number, since it uses less digits than its factorization.

201222100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208392.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201222100101 its reverse (101001222102), we get a palindrome (302223322203).

The spelling of 201222100101 in words is "two hundred one billion, two hundred twenty-two million, one hundred thousand, one hundred one".