111520213 has 8 divisors (see below), whose sum is σ = 127516032. Its totient is φ = 95540496.

The previous prime is 111520181. The next prime is 111520219. The reversal of 111520213 is 312025111.

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 111520213 - 2⁵ = 111520181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111520219) 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, 22431 + ... + 26947.

It is an arithmetic number, because the mean of its divisors is an integer number (15939504).

Almost surely, 2^111520213 is an apocalyptic number.

It is an amenable number.

111520213 is a deficient number, since it is larger than the sum of its proper divisors (15995819).

111520213 is an equidigital number, since it uses as much as digits as its factorization.

111520213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 111520213 is about 10560.3131108883. The cubic root of 111520213 is about 481.3391611267.

Adding to 111520213 its reverse (312025111), we get a palindrome (423545324).

The spelling of 111520213 in words is "one hundred eleven million, five hundred twenty thousand, two hundred thirteen".