111344021403 has 8 divisors (see below), whose sum is σ = 148572287808. Its totient is φ = 74172551304.

The previous prime is 111344021333. The next prime is 111344021413. The reversal of 111344021403 is 304120443111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111344021403 - 2¹² = 111344017307 is a prime.

It is a super-2 number, since 2×111344021403² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111344021413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14194501 + ... + 14202342.

It is an arithmetic number, because the mean of its divisors is an integer number (18571535976).

Almost surely, 2^111344021403 is an apocalyptic number.

111344021403 is a deficient number, since it is larger than the sum of its proper divisors (37228266405).

111344021403 is a wasteful number, since it uses less digits than its factorization.

111344021403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28398153.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111344021403 its reverse (304120443111), we get a palindrome (415464464514).

The spelling of 111344021403 in words is "one hundred eleven billion, three hundred forty-four million, twenty-one thousand, four hundred three".