111012300221 has 4 divisors (see below), whose sum is σ = 111042527772. Its totient is φ = 110982072672.

The previous prime is 111012300211. The next prime is 111012300241. The reversal of 111012300221 is 122003210111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41184237721 + 69828062500 = 202939^2 + 264250^2 .

It is a cyclic number.

It is not a de Polignac number, because 111012300221 - 2²² = 111008105917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012300196 and 111012300205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012300211) 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, 15108266 + ... + 15115611.

It is an arithmetic number, because the mean of its divisors is an integer number (27760631943).

Almost surely, 2^111012300221 is an apocalyptic number.

It is an amenable number.

111012300221 is a deficient number, since it is larger than the sum of its proper divisors (30227551).

111012300221 is an equidigital number, since it uses as much as digits as its factorization.

111012300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30227550.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111012300221 its reverse (122003210111), we get a palindrome (233015510332).

The spelling of 111012300221 in words is "one hundred eleven billion, twelve million, three hundred thousand, two hundred twenty-one".