111303222001 has 4 divisors (see below), whose sum is σ = 117850470372. Its totient is φ = 104755973632.

The previous prime is 111303221969. The next prime is 111303222011. The reversal of 111303222001 is 100222303111.

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 69103791376 + 42199430625 = 262876^2 + 205425^2 .

It is not a de Polignac number, because 111303222001 - 2⁵ = 111303221969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111303222011) 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, 3273624160 + ... + 3273624193.

It is an arithmetic number, because the mean of its divisors is an integer number (29462617593).

Almost surely, 2^111303222001 is an apocalyptic number.

It is an amenable number.

111303222001 is a deficient number, since it is larger than the sum of its proper divisors (6547248371).

111303222001 is an equidigital number, since it uses as much as digits as its factorization.

111303222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547248370.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111303222001 its reverse (100222303111), we get a palindrome (211525525112).

The spelling of 111303222001 in words is "one hundred eleven billion, three hundred three million, two hundred twenty-two thousand, one".