1121102112111 has 8 divisors (see below), whose sum is σ = 1496411864880. Its totient is φ = 746596883712.

The previous prime is 1121102112083. The next prime is 1121102112127. The reversal of 1121102112111 is 1112112011211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1121102112111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121102112311) 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 7 ways as a sum of consecutive naturals, for example, 201127840 + ... + 201133413.

It is an arithmetic number, because the mean of its divisors is an integer number (187051483110).

Almost surely, 2^{1121102112111} is an apocalyptic number.

1121102112111 is a deficient number, since it is larger than the sum of its proper divisors (375309752769).

1121102112111 is an equidigital number, since it uses as much as digits as its factorization.

1121102112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402262185.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1121102112111 its reverse (1112112011211), we get a palindrome (2233214123322).

The spelling of 1121102112111 in words is "one trillion, one hundred twenty-one billion, one hundred two million, one hundred twelve thousand, one hundred eleven".