111240203432 has 16 divisors (see below), whose sum is σ = 217643876640. Its totient is φ = 53201836336.

The previous prime is 111240203329. The next prime is 111240203449. The reversal of 111240203432 is 234302042111.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 111240203398 and 111240203407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302282978 + ... + 302283345.

It is an arithmetic number, because the mean of its divisors is an integer number (13602742290).

Almost surely, 2^111240203432 is an apocalyptic number.

It is an amenable number.

111240203432 is a deficient number, since it is larger than the sum of its proper divisors (106403673208).

111240203432 is a wasteful number, since it uses less digits than its factorization.

111240203432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604566352 (or 604566348 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 111240203432 its reverse (234302042111), we get a palindrome (345542245543).

The spelling of 111240203432 in words is "one hundred eleven billion, two hundred forty million, two hundred three thousand, four hundred thirty-two".