111212314413 has 4 divisors (see below), whose sum is σ = 148283085888. Its totient is φ = 74141542940.

The previous prime is 111212314373. The next prime is 111212314439. The reversal of 111212314413 is 314413212111.

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 111212314413 - 2²² = 111208120109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212314453) 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, 18535385733 + ... + 18535385738.

It is an arithmetic number, because the mean of its divisors is an integer number (37070771472).

Almost surely, 2^111212314413 is an apocalyptic number.

It is an amenable number.

111212314413 is a deficient number, since it is larger than the sum of its proper divisors (37070771475).

111212314413 is an equidigital number, since it uses as much as digits as its factorization.

111212314413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37070771474.

The product of its digits is 576, while the sum is 24.

Adding to 111212314413 its reverse (314413212111), we get a palindrome (425625526524).

The spelling of 111212314413 in words is "one hundred eleven billion, two hundred twelve million, three hundred fourteen thousand, four hundred thirteen".