1111110000221 has 8 divisors (see below), whose sum is σ = 1224407442720. Its totient is φ = 1001787906672.

The previous prime is 1111110000199. The next prime is 1111110000227. The reversal of 1111110000221 is 1220000111111.

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 1111110000221 - 2⁶ = 1111110000157 is a prime.

It is a super-2 number, since 2×1111110000221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111110000227) 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, 993836651 + ... + 993837768.

It is an arithmetic number, because the mean of its divisors is an integer number (153050930340).

Almost surely, 2^{1111110000221} is an apocalyptic number.

It is an amenable number.

1111110000221 is a deficient number, since it is larger than the sum of its proper divisors (113297442499).

1111110000221 is a wasteful number, since it uses less digits than its factorization.

1111110000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987674475.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111110000221 its reverse (1220000111111), we get a palindrome (2331110111332).

The spelling of 1111110000221 in words is "one trillion, one hundred eleven billion, one hundred ten million, two hundred twenty-one", and thus it is an aban number.