111421140321313 has 4 divisors (see below), whose sum is σ = 117285410864560. Its totient is φ = 105556869778068.

The previous prime is 111421140321299. The next prime is 111421140321467. The reversal of 111421140321313 is 313123041124111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111421140321313 - 2⁴⁵ = 76236768232481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111421140321913) 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, 2932135271595 + ... + 2932135271632.

It is an arithmetic number, because the mean of its divisors is an integer number (29321352716140).

Almost surely, 2^{111421140321313} is an apocalyptic number.

It is an amenable number.

111421140321313 is a deficient number, since it is larger than the sum of its proper divisors (5864270543247).

111421140321313 is an equidigital number, since it uses as much as digits as its factorization.

111421140321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864270543246.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 111421140321313 its reverse (313123041124111), we get a palindrome (424544181445424).

The spelling of 111421140321313 in words is "one hundred eleven trillion, four hundred twenty-one billion, one hundred forty million, three hundred twenty-one thousand, three hundred thirteen".