1121054011 has 16 divisors (see below), whose sum is σ = 1427420160. Its totient is φ = 854959680.

The previous prime is 1121053993. The next prime is 1121054027. The reversal of 1121054011 is 1104501211.

It is a cyclic number.

It is not a de Polignac number, because 1121054011 - 2⁷ = 1121053883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121054041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151266 + ... + 158503.

It is an arithmetic number, because the mean of its divisors is an integer number (89213760).

Almost surely, 2^1121054011 is an apocalyptic number.

1121054011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121054011 is a deficient number, since it is larger than the sum of its proper divisors (306366149).

1121054011 is a wasteful number, since it uses less digits than its factorization.

1121054011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309834.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1121054011 is about 33482.1446595047. The cubic root of 1121054011 is about 1038.8244888208.

Adding to 1121054011 its reverse (1104501211), we get a palindrome (2225555222).

The spelling of 1121054011 in words is "one billion, one hundred twenty-one million, fifty-four thousand, eleven".