1121132211 has 8 divisors (see below), whose sum is σ = 1512853440. Its totient is φ = 738416232.

The previous prime is 1121132203. The next prime is 1121132261. The reversal of 1121132211 is 1122311211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121132211 - 2³ = 1121132203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121132261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2251021 + ... + 2251518.

It is an arithmetic number, because the mean of its divisors is an integer number (189106680).

Almost surely, 2^1121132211 is an apocalyptic number.

1121132211 is a deficient number, since it is larger than the sum of its proper divisors (391721229).

1121132211 is an equidigital number, since it uses as much as digits as its factorization.

1121132211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502625.

The product of its digits is 24, while the sum is 15.

The square root of 1121132211 is about 33483.3124257443. The cubic root of 1121132211 is about 1038.8486429309.

Adding to 1121132211 its reverse (1122311211), we get a palindrome (2243443422).

The spelling of 1121132211 in words is "one billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred eleven".