111220020213 has 4 divisors (see below), whose sum is σ = 148293360288. Its totient is φ = 74146680140.

The previous prime is 111220020199. The next prime is 111220020217. The reversal of 111220020213 is 312020022111.

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 a de Polignac number, because none of the positive numbers 2^k-111220020213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111220020192 and 111220020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220020217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18536670033 + ... + 18536670038.

It is an arithmetic number, because the mean of its divisors is an integer number (37073340072).

Almost surely, 2^111220020213 is an apocalyptic number.

It is an amenable number.

111220020213 is a deficient number, since it is larger than the sum of its proper divisors (37073340075).

111220020213 is an equidigital number, since it uses as much as digits as its factorization.

111220020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37073340074.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 111220020213 its reverse (312020022111), we get a palindrome (423240042324).

The spelling of 111220020213 in words is "one hundred eleven billion, two hundred twenty million, twenty thousand, two hundred thirteen".