1110001220111 has 16 divisors (see below), whose sum is σ = 1280285036544. Its totient is φ = 942651851904.

The previous prime is 1110001220057. The next prime is 1110001220161. The reversal of 1110001220111 is 1110221000111.

It is a de Polignac number, because none of the positive numbers 2^k-1110001220111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110001220092 and 1110001220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110001220161) 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 15 ways as a sum of consecutive naturals, for example, 1828706 + ... + 2358848.

It is an arithmetic number, because the mean of its divisors is an integer number (80017814784).

Almost surely, 2^{1110001220111} is an apocalyptic number.

1110001220111 is a deficient number, since it is larger than the sum of its proper divisors (170283816433).

1110001220111 is a wasteful number, since it uses less digits than its factorization.

1110001220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532910.

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

Adding to 1110001220111 its reverse (1110221000111), we get a palindrome (2220222220222).

The spelling of 1110001220111 in words is "one trillion, one hundred ten billion, one million, two hundred twenty thousand, one hundred eleven".