111012221000221 has 8 divisors (see below), whose sum is σ = 111031401274560. Its totient is φ = 110993041280352.

The previous prime is 111012221000159. The next prime is 111012221000273. The reversal of 111012221000221 is 122000122210111.

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 111012221000221 - 2⁹ = 111012220999709 is a prime.

It is a super-2 number, since 2×111012221000221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012221000195 and 111012221000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012221004221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671892006 + ... + 672057208.

It is an arithmetic number, because the mean of its divisors is an integer number (13878925159320).

Almost surely, 2^{111012221000221} is an apocalyptic number.

It is an amenable number.

111012221000221 is a deficient number, since it is larger than the sum of its proper divisors (19180274339).

111012221000221 is a wasteful number, since it uses less digits than its factorization.

111012221000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277235.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111012221000221 its reverse (122000122210111), we get a palindrome (233012343210332).

The spelling of 111012221000221 in words is "one hundred eleven trillion, twelve billion, two hundred twenty-one million, two hundred twenty-one", and thus it is an aban number.