1122221000111 has 4 divisors (see below), whose sum is σ = 1133332099224. Its totient is φ = 1111109901000.

The previous prime is 1122221000093. The next prime is 1122221000183. The reversal of 1122221000111 is 1110001222211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122221000111 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 (1122221000191) 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 3 ways as a sum of consecutive naturals, for example, 5555549405 + ... + 5555549606.

It is an arithmetic number, because the mean of its divisors is an integer number (283333024806).

Almost surely, 2^{1122221000111} is an apocalyptic number.

1122221000111 is a deficient number, since it is larger than the sum of its proper divisors (11111099113).

1122221000111 is a wasteful number, since it uses less digits than its factorization.

1122221000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111099112.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122221000111 its reverse (1110001222211), we get a palindrome (2232222222322).

The spelling of 1122221000111 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred eleven", and thus it is an aban number.