1121011105 has 16 divisors (see below), whose sum is σ = 1353862800. Its totient is φ = 891060480.

The previous prime is 1121011081. The next prime is 1121011123. The reversal of 1121011105 is 5011101211.

1121011105 is nontrivially palindromic in base 2.

It can be written as a sum of positive squares in 8 ways, for example, as 233447841 + 887563264 = 15279^2 + 29792^2 .

It is not a de Polignac number, because 1121011105 - 2¹³ = 1121002913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948615 + ... + 949795.

It is an arithmetic number, because the mean of its divisors is an integer number (84616425).

Almost surely, 2^1121011105 is an apocalyptic number.

It is an amenable number.

1121011105 is a deficient number, since it is larger than the sum of its proper divisors (232851695).

1121011105 is a wasteful number, since it uses less digits than its factorization.

1121011105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 1121011105 is about 33481.5039238084. The cubic root of 1121011105 is about 1038.8112357061.

Adding to 1121011105 its reverse (5011101211), we get a palindrome (6132112316).

The spelling of 1121011105 in words is "one billion, one hundred twenty-one million, eleven thousand, one hundred five".