1121032011 has 16 divisors (see below), whose sum is σ = 1640603520. Its totient is φ = 675241920.

The previous prime is 1121032001. The next prime is 1121032043. The reversal of 1121032011 is 1102301211.

It is not a de Polignac number, because 1121032011 - 2¹⁰ = 1121030987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121032001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98826 + ... + 109583.

It is an arithmetic number, because the mean of its divisors is an integer number (102537720).

Almost surely, 2^1121032011 is an apocalyptic number.

1121032011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121032011 is a deficient number, since it is larger than the sum of its proper divisors (519571509).

1121032011 is a wasteful number, since it uses less digits than its factorization.

1121032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208586.

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

The square root of 1121032011 is about 33481.8161245772. The cubic root of 1121032011 is about 1038.8176933443.

Adding to 1121032011 its reverse (1102301211), we get a palindrome (2223333222).

The spelling of 1121032011 in words is "one billion, one hundred twenty-one million, thirty-two thousand, eleven".