1110000100221 has 12 divisors (see below), whose sum is σ = 1662716199872. Its totient is φ = 740000066652.

The previous prime is 1110000100219. The next prime is 1110000100243. The reversal of 1110000100221 is 1220010000111.

It is a happy number.

It is not a de Polignac number, because 1110000100221 - 2¹ = 1110000100219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110000100211) 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 11 ways as a sum of consecutive naturals, for example, 2283950581 + ... + 2283951066.

Almost surely, 2^{1110000100221} is an apocalyptic number.

It is an amenable number.

1110000100221 is a deficient number, since it is larger than the sum of its proper divisors (552716099651).

1110000100221 is an frugal number, since it uses more digits than its factorization.

1110000100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567901662 (or 4567901650 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1110000100221 its reverse (1220010000111), we get a palindrome (2330010100332).

The spelling of 1110000100221 in words is "one trillion, one hundred ten billion, one hundred thousand, two hundred twenty-one".