111201223321 has 4 divisors (see below), whose sum is σ = 111226267444. Its totient is φ = 111176179200.

The previous prime is 111201223307. The next prime is 111201223333. The reversal of 111201223321 is 123322102111.

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 83532560400 + 27668662921 = 289020^2 + 166339^2 .

It is a cyclic number.

It is not a de Polignac number, because 111201223321 - 2³¹ = 109053739673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201223351) 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, 12515400 + ... + 12524281.

It is an arithmetic number, because the mean of its divisors is an integer number (27806566861).

Almost surely, 2^111201223321 is an apocalyptic number.

It is an amenable number.

111201223321 is a deficient number, since it is larger than the sum of its proper divisors (25044123).

111201223321 is an equidigital number, since it uses as much as digits as its factorization.

111201223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25044122.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111201223321 its reverse (123322102111), we get a palindrome (234523325432).

The spelling of 111201223321 in words is "one hundred eleven billion, two hundred one million, two hundred twenty-three thousand, three hundred twenty-one".