111310221432 has 32 divisors (see below), whose sum is σ = 281144379600. Its totient is φ = 36720897024.

The previous prime is 111310221427. The next prime is 111310221439. The reversal of 111310221432 is 234122013111.

It is a junction number, because it is equal to n+sod(n) for n = 111310221399 and 111310221408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111310221439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23904507 + ... + 23909162.

Almost surely, 2^111310221432 is an apocalyptic number.

111310221432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111310221432 is an abundant number, since it is smaller than the sum of its proper divisors (169834158168).

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

111310221432 is a wasteful number, since it uses less digits than its factorization.

111310221432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47813775 (or 47813771 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111310221432 its reverse (234122013111), we get a palindrome (345432234543).

The spelling of 111310221432 in words is "one hundred eleven billion, three hundred ten million, two hundred twenty-one thousand, four hundred thirty-two".