201122111220122 has 16 divisors (see below), whose sum is σ = 308919901593600. Its totient is φ = 98167879819152.

The previous prime is 201122111220103. The next prime is 201122111220131. The reversal of 201122111220122 is 221022111221102.

It is a junction number, because it is equal to n+sod(n) for n = 201122111220094 and 201122111220103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4767261338 + ... + 4767303525.

It is an arithmetic number, because the mean of its divisors is an integer number (19307493849600).

Almost surely, 2^{201122111220122} is an apocalyptic number.

201122111220122 is a deficient number, since it is larger than the sum of its proper divisors (107797790373478).

201122111220122 is a wasteful number, since it uses less digits than its factorization.

201122111220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534565117.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201122111220122 its reverse (221022111221102), we get a palindrome (422144222441224).

The spelling of 201122111220122 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty thousand, one hundred twenty-two".