181120110022112 has 48 divisors (see below), whose sum is σ = 357692763504384. Its totient is φ = 90277785600000.

The previous prime is 181120110022079. The next prime is 181120110022129. The reversal of 181120110022112 is 211220011021181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16135937 + ... + 24952127.

It is an arithmetic number, because the mean of its divisors is an integer number (7451932573008).

Almost surely, 2^{181120110022112} is an apocalyptic number.

It is an amenable number.

181120110022112 is a deficient number, since it is larger than the sum of its proper divisors (176572653482272).

181120110022112 is a wasteful number, since it uses less digits than its factorization.

181120110022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8818203 (or 8818195 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 23.

Adding to 181120110022112 its reverse (211220011021181), we get a palindrome (392340121043293).

The spelling of 181120110022112 in words is "one hundred eighty-one trillion, one hundred twenty billion, one hundred ten million, twenty-two thousand, one hundred twelve".