201122000121112 has 32 divisors (see below), whose sum is σ = 433232131921920. Its totient is φ = 85743859433760.

The previous prime is 201122000121103. The next prime is 201122000121127. The reversal of 201122000121112 is 211121000221102.

It is a congruent number.

It is an unprimeable number.

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, 9401728278 + ... + 9401749669.

It is an arithmetic number, because the mean of its divisors is an integer number (13538504122560).

Almost surely, 2^{201122000121112} is an apocalyptic number.

It is an amenable number.

201122000121112 is an abundant number, since it is smaller than the sum of its proper divisors (232110131800808).

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

201122000121112 is a wasteful number, since it uses less digits than its factorization.

201122000121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18803478151 (or 18803478147 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201122000121112 its reverse (211121000221102), we get a palindrome (412243000342214).

The spelling of 201122000121112 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty-one thousand, one hundred twelve".