201122120112102 has 48 divisors (see below), whose sum is σ = 519669577440000. Its totient is φ = 54965051458416.

The previous prime is 201122120112059. The next prime is 201122120112157. The reversal of 201122120112102 is 201211021221102.

201122120112102 is a `hidden beast` number, since 20 + 11 + 221 + 201 + 1 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34700155852 + ... + 34700161647.

It is an arithmetic number, because the mean of its divisors is an integer number (10826449530000).

Almost surely, 2^{201122120112102} is an apocalyptic number.

201122120112102 is an abundant number, since it is smaller than the sum of its proper divisors (318547457327898).

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

201122120112102 is a wasteful number, since it uses less digits than its factorization.

201122120112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69400317537 (or 69400317534 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201122120112102 its reverse (201211021221102), we get a palindrome (402333141333204).

The spelling of 201122120112102 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, one hundred two".