201122010022012 has 24 divisors (see below), whose sum is σ = 362196012245760. Its totient is φ = 97670100680880.

The previous prime is 201122010022009. The next prime is 201122010022019. The reversal of 201122010022012 is 210220010221102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122010022019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4083173562 + ... + 4083222817.

It is an arithmetic number, because the mean of its divisors is an integer number (15091500510240).

Almost surely, 2^{201122010022012} is an apocalyptic number.

It is an amenable number.

201122010022012 is a deficient number, since it is larger than the sum of its proper divisors (161074002223748).

201122010022012 is a wasteful number, since it uses less digits than its factorization.

201122010022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8166396561 (or 8166396559 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201122010022012 its reverse (210220010221102), we get a palindrome (411342020243114).

The spelling of 201122010022012 in words is "two hundred one trillion, one hundred twenty-two billion, ten million, twenty-two thousand, twelve".