1121103112011 has 8 divisors (see below), whose sum is σ = 1582733805264. Its totient is φ = 703437246720.

The previous prime is 1121103111967. The next prime is 1121103112081. The reversal of 1121103112011 is 1102113011211.

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

It is not a de Polignac number, because 1121103112011 - 2⁷ = 1121103111883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121103112081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10991206930 + ... + 10991207031.

It is an arithmetic number, because the mean of its divisors is an integer number (197841725658).

Almost surely, 2^{1121103112011} is an apocalyptic number.

1121103112011 is a deficient number, since it is larger than the sum of its proper divisors (461630693253).

1121103112011 is a wasteful number, since it uses less digits than its factorization.

1121103112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21982413981.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1121103112011 its reverse (1102113011211), we get a palindrome (2223216123222).

The spelling of 1121103112011 in words is "one trillion, one hundred twenty-one billion, one hundred three million, one hundred twelve thousand, eleven".