201122110120 has 64 divisors (see below), whose sum is σ = 490830354000. Its totient is φ = 73869803520.

The previous prime is 201122110081. The next prime is 201122110139. The reversal of 201122110120 is 21011221102.

It can be written as a sum of positive squares in 8 ways, for example, as 132596483044 + 68525627076 = 364138^2 + 261774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201122110120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3579045 + ... + 3634804.

Almost surely, 2^201122110120 is an apocalyptic number.

201122110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122110120 is an abundant number, since it is smaller than the sum of its proper divisors (289708243880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201122110120 is a wasteful number, since it uses less digits than its factorization.

201122110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213918 (or 7213914 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201122110120 its reverse (21011221102), we get a palindrome (222133331222).

The spelling of 201122110120 in words is "two hundred one billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty".