201122210188 has 12 divisors (see below), whose sum is σ = 351981269640. Its totient is φ = 100556133152.

The previous prime is 201122210147. The next prime is 201122210189. The reversal of 201122210188 is 881012221102.

201122210188 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201122210189) 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 3 ways as a sum of consecutive naturals, for example, 1151218 + ... + 1314361.

It is an arithmetic number, because the mean of its divisors is an integer number (29331772470).

Almost surely, 2^201122210188 is an apocalyptic number.

It is an amenable number.

201122210188 is a deficient number, since it is larger than the sum of its proper divisors (150859059452).

201122210188 is a wasteful number, since it uses less digits than its factorization.

201122210188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485976 (or 2485974 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The spelling of 201122210188 in words is "two hundred one billion, one hundred twenty-two million, two hundred ten thousand, one hundred eighty-eight".