111314211423421 has 8 divisors (see below), whose sum is σ = 121047568543800. Its totient is φ = 101934794562048.

The previous prime is 111314211423361. The next prime is 111314211423427. The reversal of 111314211423421 is 124324112413111.

It can be written as a sum of positive squares in 4 ways, for example, as 31288484019321 + 80025727404100 = 5593611^2 + 8945710^2 .

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 111314211423421 - 2⁴³ = 102518118401213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111314211423427) 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, 88485064096 + ... + 88485065353.

It is an arithmetic number, because the mean of its divisors is an integer number (15130946067975).

Almost surely, 2^{111314211423421} is an apocalyptic number.

It is an amenable number.

111314211423421 is a deficient number, since it is larger than the sum of its proper divisors (9733357120379).

111314211423421 is a wasteful number, since it uses less digits than its factorization.

111314211423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176970129503.

The product of its digits is 4608, while the sum is 31.

Adding to 111314211423421 its reverse (124324112413111), we get a palindrome (235638323836532).

The spelling of 111314211423421 in words is "one hundred eleven trillion, three hundred fourteen billion, two hundred eleven million, four hundred twenty-three thousand, four hundred twenty-one".