1121032211 has 4 divisors (see below), whose sum is σ = 1207265472. Its totient is φ = 1034798952.

The previous prime is 1121032189. The next prime is 1121032223. The reversal of 1121032211 is 1122301211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121032211 - 2⁶ = 1121032147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121032111) 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, 43116611 + ... + 43116636.

It is an arithmetic number, because the mean of its divisors is an integer number (301816368).

Almost surely, 2^1121032211 is an apocalyptic number.

1121032211 is a deficient number, since it is larger than the sum of its proper divisors (86233261).

1121032211 is an equidigital number, since it uses as much as digits as its factorization.

1121032211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86233260.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1121032211 is about 33481.8191112729. The cubic root of 1121032211 is about 1038.8177551218.

Adding to 1121032211 its reverse (1122301211), we get a palindrome (2243333422).

The spelling of 1121032211 in words is "one billion, one hundred twenty-one million, thirty-two thousand, two hundred eleven".