111001221244 has 6 divisors (see below), whose sum is σ = 194252137184. Its totient is φ = 55500610620.

The previous prime is 111001221223. The next prime is 111001221257. The reversal of 111001221244 is 442122100111.

It is a happy number.

It is a super-2 number, since 2×111001221244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875152652 + ... + 13875152659.

Almost surely, 2^111001221244 is an apocalyptic number.

It is an amenable number.

111001221244 is a deficient number, since it is larger than the sum of its proper divisors (83250915940).

111001221244 is a wasteful number, since it uses less digits than its factorization.

111001221244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750305315 (or 27750305313 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111001221244 its reverse (442122100111), we get a palindrome (553123321355).

The spelling of 111001221244 in words is "one hundred eleven billion, one million, two hundred twenty-one thousand, two hundred forty-four".