112221220109 has 8 divisors (see below), whose sum is σ = 117818814912. Its totient is φ = 106683492960.

The previous prime is 112221220081. The next prime is 112221220123. The reversal of 112221220109 is 901022122211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112221220109 - 2⁸ = 112221219853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14963072 + ... + 14970569.

It is an arithmetic number, because the mean of its divisors is an integer number (14727351864).

Almost surely, 2^112221220109 is an apocalyptic number.

It is an amenable number.

112221220109 is a deficient number, since it is larger than the sum of its proper divisors (5597594803).

112221220109 is a wasteful number, since it uses less digits than its factorization.

112221220109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29933827.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 112221220109 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred twenty thousand, one hundred nine".