111344121331 has 8 divisors (see below), whose sum is σ = 112951666944. Its totient is φ = 109737668040.

The previous prime is 111344121293. The next prime is 111344121379. The reversal of 111344121331 is 133121443111.

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

It is a cyclic number.

It is not a de Polignac number, because 111344121331 - 2⁹ = 111344120819 is a prime.

It is a super-2 number, since 2×111344121331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111344121296 and 111344121305.

It is not an unprimeable number, because it can be changed into a prime (111344121431) 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, 66625 + ... + 476578.

It is an arithmetic number, because the mean of its divisors is an integer number (14118958368).

Almost surely, 2^111344121331 is an apocalyptic number.

111344121331 is a deficient number, since it is larger than the sum of its proper divisors (1607545613).

111344121331 is an equidigital number, since it uses as much as digits as its factorization.

111344121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546161.

The product of its digits is 864, while the sum is 25.

Adding to 111344121331 its reverse (133121443111), we get a palindrome (244465564442).

The spelling of 111344121331 in words is "one hundred eleven billion, three hundred forty-four million, one hundred twenty-one thousand, three hundred thirty-one".