1112000000221 has 16 divisors (see below), whose sum is σ = 1225019352960. Its totient is φ = 1000971141120.

The previous prime is 1112000000207. The next prime is 1112000000239. The reversal of 1112000000221 is 1220000002111.

It is a cyclic number.

It is not a de Polignac number, because 1112000000221 - 2¹⁵ = 1111999967453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112000000198 and 1112000000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112000000201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9861085 + ... + 9973213.

It is an arithmetic number, because the mean of its divisors is an integer number (76563709560).

Almost surely, 2^{1112000000221} is an apocalyptic number.

1112000000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112000000221 is a deficient number, since it is larger than the sum of its proper divisors (113019352739).

1112000000221 is a wasteful number, since it uses less digits than its factorization.

1112000000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120996.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1112000000221 its reverse (1220000002111), we get a palindrome (2332000002332).

The spelling of 1112000000221 in words is "one trillion, one hundred twelve billion, two hundred twenty-one", and thus it is an aban number.