111421240024 has 8 divisors (see below), whose sum is σ = 208914825060. Its totient is φ = 55710620008.

The previous prime is 111421240001. The next prime is 111421240033. The reversal of 111421240024 is 420042124111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 111421239977 and 111421240004.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6963827494 + ... + 6963827509.

Almost surely, 2^111421240024 is an apocalyptic number.

It is an amenable number.

111421240024 is a deficient number, since it is larger than the sum of its proper divisors (97493585036).

111421240024 is a wasteful number, since it uses less digits than its factorization.

111421240024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13927655009 (or 13927655005 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 111421240024 its reverse (420042124111), we get a palindrome (531463364135).

The spelling of 111421240024 in words is "one hundred eleven billion, four hundred twenty-one million, two hundred forty thousand, twenty-four".