111222340501 has 4 divisors (see below), whose sum is σ = 111798622252. Its totient is φ = 110646058752.

The previous prime is 111222340409. The next prime is 111222340561. The reversal of 111222340501 is 105043222111.

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 34935348100 + 76286992401 = 186910^2 + 276201^2 .

It is a cyclic number.

It is not a de Polignac number, because 111222340501 - 2⁷ = 111222340373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222340561) 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, 288140586 + ... + 288140971.

It is an arithmetic number, because the mean of its divisors is an integer number (27949655563).

Almost surely, 2^111222340501 is an apocalyptic number.

It is an amenable number.

111222340501 is a deficient number, since it is larger than the sum of its proper divisors (576281751).

111222340501 is an equidigital number, since it uses as much as digits as its factorization.

111222340501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576281750.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 111222340501 its reverse (105043222111), we get a palindrome (216265562612).

The spelling of 111222340501 in words is "one hundred eleven billion, two hundred twenty-two million, three hundred forty thousand, five hundred one".