1121011441 has 4 divisors (see below), whose sum is σ = 1222921584. Its totient is φ = 1019101300.

The previous prime is 1121011417. The next prime is 1121011447. The reversal of 1121011441 is 1441101211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121011441 - 2⁷ = 1121011313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121011447) 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, 50955055 + ... + 50955076.

It is an arithmetic number, because the mean of its divisors is an integer number (305730396).

Almost surely, 2^1121011441 is an apocalyptic number.

1121011441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121011441 is a deficient number, since it is larger than the sum of its proper divisors (101910143).

1121011441 is a wasteful number, since it uses less digits than its factorization.

1121011441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101910142.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1121011441 is about 33481.5089415038. The cubic root of 1121011441 is about 1038.8113394935.

Adding to 1121011441 its reverse (1441101211), we get a palindrome (2562112652).

The spelling of 1121011441 in words is "one billion, one hundred twenty-one million, eleven thousand, four hundred forty-one".