111020413 has 4 divisors (see below), whose sum is σ = 126880480. Its totient is φ = 95160348.

The previous prime is 111020339. The next prime is 111020417. The reversal of 111020413 is 314020111.

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 111020413 - 2¹³ = 111012221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111020393 and 111020402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020417) 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, 7930023 + ... + 7930036.

It is an arithmetic number, because the mean of its divisors is an integer number (31720120).

Almost surely, 2^111020413 is an apocalyptic number.

It is an amenable number.

111020413 is a deficient number, since it is larger than the sum of its proper divisors (15860067).

111020413 is an equidigital number, since it uses as much as digits as its factorization.

111020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15860066.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111020413 is about 10536.6224664263. The cubic root of 111020413 is about 480.6190118487.

Adding to 111020413 its reverse (314020111), we get a palindrome (425040524).

The spelling of 111020413 in words is "one hundred eleven million, twenty thousand, four hundred thirteen".