111402232342321 has 4 divisors (see below), whose sum is σ = 111477453297444. Its totient is φ = 111327011387200.

The previous prime is 111402232342301. The next prime is 111402232342363. The reversal of 111402232342321 is 123243232204111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90346165603600 + 21056066738721 = 9505060^2 + 4588689^2 .

It is a cyclic number.

It is not a de Polignac number, because 111402232342321 - 2³⁹ = 110852476528433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111402232342301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37610475340 + ... + 37610478301.

It is an arithmetic number, because the mean of its divisors is an integer number (27869363324361).

Almost surely, 2^{111402232342321} is an apocalyptic number.

It is an amenable number.

111402232342321 is a deficient number, since it is larger than the sum of its proper divisors (75220955123).

111402232342321 is an equidigital number, since it uses as much as digits as its factorization.

111402232342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75220955122.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 111402232342321 its reverse (123243232204111), we get a palindrome (234645464546432).

The spelling of 111402232342321 in words is "one hundred eleven trillion, four hundred two billion, two hundred thirty-two million, three hundred forty-two thousand, three hundred twenty-one".