1121112011011 has 8 divisors (see below), whose sum is σ = 1157572942848. Its totient is φ = 1084669581000.

The previous prime is 1121112011009. The next prime is 1121112011057. The reversal of 1121112011011 is 1101102111211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121112011011 - 2¹ = 1121112011009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121112010982 and 1121112011000.

It is not an unprimeable number, because it can be changed into a prime (1121112011311) 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, 4502245 + ... + 4744726.

It is an arithmetic number, because the mean of its divisors is an integer number (144696617856).

Almost surely, 2^{1121112011011} is an apocalyptic number.

1121112011011 is a deficient number, since it is larger than the sum of its proper divisors (36460931837).

1121112011011 is an equidigital number, since it uses as much as digits as its factorization.

1121112011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9250913.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1121112011011 its reverse (1101102111211), we get a palindrome (2222214122222).

The spelling of 1121112011011 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, eleven thousand, eleven".