201002220122111 has 16 divisors (see below), whose sum is σ = 214341806275200. Its totient is φ = 187832108014080.

The previous prime is 201002220122029. The next prime is 201002220122161. The reversal of 201002220122111 is 111221022200102.

It is not a de Polignac number, because 201002220122111 - 2¹⁴ = 201002220105727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 201002220122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002220122161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10016180 + ... + 22412681.

It is an arithmetic number, because the mean of its divisors is an integer number (13396362892200).

Almost surely, 2^{201002220122111} is an apocalyptic number.

201002220122111 is a deficient number, since it is larger than the sum of its proper divisors (13339586153089).

201002220122111 is a wasteful number, since it uses less digits than its factorization.

201002220122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32431474.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201002220122111 its reverse (111221022200102), we get a palindrome (312223242322213).

The spelling of 201002220122111 in words is "two hundred one trillion, two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred eleven".