111212321132 has 36 divisors (see below), whose sum is σ = 214936923768. Its totient is φ = 50311430400.

The previous prime is 111212321123. The next prime is 111212321147. The reversal of 111212321132 is 231123212111.

It is a super-2 number, since 2×111212321132² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442373 + ... + 646620.

Almost surely, 2^111212321132 is an apocalyptic number.

It is an amenable number.

111212321132 is a deficient number, since it is larger than the sum of its proper divisors (103724602636).

111212321132 is a wasteful number, since it uses less digits than its factorization.

111212321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089230 (or 1089217 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 111212321132 its reverse (231123212111), we get a palindrome (342335533243).

The spelling of 111212321132 in words is "one hundred eleven billion, two hundred twelve million, three hundred twenty-one thousand, one hundred thirty-two".