201122211012 has 24 divisors (see below), whose sum is σ = 470084639136. Its totient is φ = 66926525568.

The previous prime is 201122211007. The next prime is 201122211019. The reversal of 201122211012 is 210112221102.

201122211012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201122210982 and 201122211000.

It is not an unprimeable number, because it can be changed into a prime (201122211019) 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 7 ways as a sum of consecutive naturals, for example, 14269093 + ... + 14283180.

It is an arithmetic number, because the mean of its divisors is an integer number (19586859964).

Almost surely, 2^201122211012 is an apocalyptic number.

It is an amenable number.

201122211012 is an abundant number, since it is smaller than the sum of its proper divisors (268962428124).

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

201122211012 is a wasteful number, since it uses less digits than its factorization.

201122211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28552867 (or 28552865 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201122211012 its reverse (210112221102), we get a palindrome (411234432114).

The spelling of 201122211012 in words is "two hundred one billion, one hundred twenty-two million, two hundred eleven thousand, twelve".