111121144334432 has 48 divisors (see below), whose sum is σ = 219401060281200. Its totient is φ = 55400246619648.

The previous prime is 111121144334419. The next prime is 111121144334441. The reversal of 111121144334432 is 234433441121111.

It is a junction number, because it is equal to n+sod(n) for n = 111121144334392 and 111121144334401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943268558 + ... + 943386354.

It is an arithmetic number, because the mean of its divisors is an integer number (4570855422525).

Almost surely, 2^{111121144334432} is an apocalyptic number.

It is an amenable number.

111121144334432 is a deficient number, since it is larger than the sum of its proper divisors (108279915946768).

111121144334432 is a wasteful number, since it uses less digits than its factorization.

111121144334432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202623 (or 202615 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

Adding to 111121144334432 its reverse (234433441121111), we get a palindrome (345554585455543).

The spelling of 111121144334432 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred forty-four million, three hundred thirty-four thousand, four hundred thirty-two".