1110111331121 has 4 divisors (see below), whose sum is σ = 1195504510452. Its totient is φ = 1024718151792.

The previous prime is 1110111331037. The next prime is 1110111331141. The reversal of 1110111331121 is 1211331110111.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 761367934096 + 348743397025 = 872564^2 + 590545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110111331121 - 2¹⁴ = 1110111314737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110111331121.

It is not an unprimeable number, because it can be changed into a prime (1110111331141) 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, 42696589646 + ... + 42696589671.

It is an arithmetic number, because the mean of its divisors is an integer number (298876127613).

Almost surely, 2^{1110111331121} is an apocalyptic number.

It is an amenable number.

1110111331121 is a deficient number, since it is larger than the sum of its proper divisors (85393179331).

1110111331121 is an equidigital number, since it uses as much as digits as its factorization.

1110111331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85393179330.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 1110111331121 its reverse (1211331110111), we get a palindrome (2321442441232).

The spelling of 1110111331121 in words is "one trillion, one hundred ten billion, one hundred eleven million, three hundred thirty-one thousand, one hundred twenty-one".