1121165121711 has 8 divisors (see below), whose sum is σ = 1495809035824. Its totient is φ = 746982311040.

The previous prime is 1121165121709. The next prime is 1121165121757. The reversal of 1121165121711 is 1171215611211.

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

It is not a de Polignac number, because 1121165121711 - 2¹ = 1121165121709 is a prime.

It is a super-2 number, since 2×1121165121711² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121163121711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115270186 + ... + 115279911.

It is an arithmetic number, because the mean of its divisors is an integer number (186976129478).

Almost surely, 2^{1121165121711} is an apocalyptic number.

1121165121711 is a deficient number, since it is larger than the sum of its proper divisors (374643914113).

1121165121711 is a wasteful number, since it uses less digits than its factorization.

1121165121711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230551721.

The product of its digits is 840, while the sum is 30.

The spelling of 1121165121711 in words is "one trillion, one hundred twenty-one billion, one hundred sixty-five million, one hundred twenty-one thousand, seven hundred eleven".