111332231212132 has 72 divisors (see below), whose sum is σ = 240931137666240. Its totient is φ = 44755009790400.

The previous prime is 111332231212117. The next prime is 111332231212207. The reversal of 111332231212132 is 231212132233111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 111332231212132.

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, 147623248 + ... + 148375495.

It is an arithmetic number, because the mean of its divisors is an integer number (3346265800920).

Almost surely, 2^{111332231212132} is an apocalyptic number.

It is an amenable number.

111332231212132 is an abundant number, since it is smaller than the sum of its proper divisors (129598906454108).

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

111332231212132 is a wasteful number, since it uses less digits than its factorization.

111332231212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295998881 (or 295998872 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

Adding to 111332231212132 its reverse (231212132233111), we get a palindrome (342544363445243).

The spelling of 111332231212132 in words is "one hundred eleven trillion, three hundred thirty-two billion, two hundred thirty-one million, two hundred twelve thousand, one hundred thirty-two".