1110001111121 has 16 divisors (see below), whose sum is σ = 1287586147200. Its totient is φ = 937171192320.

The previous prime is 1110001111081. The next prime is 1110001111199. The reversal of 1110001111121 is 1211111000111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1110001111121 - 2²⁶ = 1109934002257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110001411121) 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, 8631905 + ... + 8759553.

It is an arithmetic number, because the mean of its divisors is an integer number (80474134200).

Almost surely, 2^{1110001111121} is an apocalyptic number.

It is an amenable number.

1110001111121 is a deficient number, since it is larger than the sum of its proper divisors (177585036079).

1110001111121 is a wasteful number, since it uses less digits than its factorization.

1110001111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146264.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1110001111121 its reverse (1211111000111), we get a palindrome (2321112111232).

The spelling of 1110001111121 in words is "one trillion, one hundred ten billion, one million, one hundred eleven thousand, one hundred twenty-one".