1110001222111 has 4 divisors (see below), whose sum is σ = 1110143119392. Its totient is φ = 1109859324832.

The previous prime is 1110001222067. The next prime is 1110001222139. The reversal of 1110001222111 is 1112221000111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1110001222111 - 2⁷ = 1110001221983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110001222091 and 1110001222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110001222711) 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, 70936906 + ... + 70952551.

It is an arithmetic number, because the mean of its divisors is an integer number (277535779848).

Almost surely, 2^{1110001222111} is an apocalyptic number.

1110001222111 is a deficient number, since it is larger than the sum of its proper divisors (141897281).

1110001222111 is an equidigital number, since it uses as much as digits as its factorization.

1110001222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141897280.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1110001222111 its reverse (1112221000111), we get a palindrome (2222222222222).

The spelling of 1110001222111 in words is "one trillion, one hundred ten billion, one million, two hundred twenty-two thousand, one hundred eleven".