111110000221 has 16 divisors (see below), whose sum is σ = 122970147840. Its totient is φ = 99547746480.

The previous prime is 111110000213. The next prime is 111110000227. The reversal of 111110000221 is 122000011111.

It is a cyclic number.

It is not a de Polignac number, because 111110000221 - 2³ = 111110000213 is a prime.

It is a super-2 number, since 2×111110000221² (a number of 23 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 = 111110000198 and 111110000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110000227) 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, 358470 + ... + 592216.

It is an arithmetic number, because the mean of its divisors is an integer number (7685634240).

Almost surely, 2^111110000221 is an apocalyptic number.

111110000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111110000221 is a deficient number, since it is larger than the sum of its proper divisors (11860147619).

111110000221 is a wasteful number, since it uses less digits than its factorization.

111110000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234384.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111110000221 its reverse (122000011111), we get a palindrome (233110011332).

The spelling of 111110000221 in words is "one hundred eleven billion, one hundred ten million, two hundred twenty-one", and thus it is an aban number.