1121041011 has 4 divisors (see below), whose sum is σ = 1494721352. Its totient is φ = 747360672.

The previous prime is 1121041007. The next prime is 1121041027. The reversal of 1121041011 is 1101401211.

1121041011 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101401211 = 3 ⋅367133737.

It is not a de Polignac number, because 1121041011 - 2² = 1121041007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121041711) 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, 186840166 + ... + 186840171.

It is an arithmetic number, because the mean of its divisors is an integer number (373680338).

Almost surely, 2^1121041011 is an apocalyptic number.

1121041011 is a deficient number, since it is larger than the sum of its proper divisors (373680341).

1121041011 is an equidigital number, since it uses as much as digits as its factorization.

1121041011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373680340.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1121041011 is about 33481.9505256190. The cubic root of 1121041011 is about 1038.8204733227.

Adding to 1121041011 its reverse (1101401211), we get a palindrome (2222442222).

The spelling of 1121041011 in words is "one billion, one hundred twenty-one million, forty-one thousand, eleven".