1121112102311 has 4 divisors (see below), whose sum is σ = 1121274330624. Its totient is φ = 1120949874000.

The previous prime is 1121112102307. The next prime is 1121112102343. The reversal of 1121112102311 is 1132012111211.

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 1121112102311 - 2² = 1121112102307 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 1121112102311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121112102391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81103790 + ... + 81117611.

It is an arithmetic number, because the mean of its divisors is an integer number (280318582656).

Almost surely, 2^{1121112102311} is an apocalyptic number.

1121112102311 is a deficient number, since it is larger than the sum of its proper divisors (162228313).

1121112102311 is an equidigital number, since it uses as much as digits as its factorization.

1121112102311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162228312.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1121112102311 its reverse (1132012111211), we get a palindrome (2253124213522).

The spelling of 1121112102311 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred two thousand, three hundred eleven".