111211413 has 8 divisors (see below), whose sum is σ = 149668128. Its totient is φ = 73447824.

The previous prime is 111211411. The next prime is 111211439. The reversal of 111211413 is 314112111.

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

It is not a de Polignac number, because 111211413 - 2¹ = 111211411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111211392 and 111211401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211411) 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, 172906 + ... + 173547.

It is an arithmetic number, because the mean of its divisors is an integer number (18708516).

Almost surely, 2^111211413 is an apocalyptic number.

It is an amenable number.

111211413 is a deficient number, since it is larger than the sum of its proper divisors (38456715).

111211413 is a wasteful number, since it uses less digits than its factorization.

111211413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346563.

The product of its digits is 24, while the sum is 15.

The square root of 111211413 is about 10545.6821969942. The cubic root of 111211413 is about 480.8944736180.

Adding to 111211413 its reverse (314112111), we get a palindrome (425323524).

The spelling of 111211413 in words is "one hundred eleven million, two hundred eleven thousand, four hundred thirteen".