111100221120132 has 36 divisors (see below), whose sum is σ = 280837634437360. Its totient is φ = 37033279868592.

The previous prime is 111100221120089. The next prime is 111100221120137. The reversal of 111100221120132 is 231021122001111.

It is a happy number.

111100221120132 is a `hidden beast` number, since 111 + 100 + 221 + 1 + 201 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (111100221120137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5639619 + ... + 15937557.

Almost surely, 2^{111100221120132} is an apocalyptic number.

111100221120132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111100221120132 is an abundant number, since it is smaller than the sum of its proper divisors (169737413317228).

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

111100221120132 is a wasteful number, since it uses less digits than its factorization.

111100221120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10597632 (or 10597627 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111100221120132 its reverse (231021122001111), we get a palindrome (342121343121243).

The spelling of 111100221120132 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty-one million, one hundred twenty thousand, one hundred thirty-two".