1101311211 has 48 divisors (see below), whose sum is σ = 2006823168. Its totient is φ = 528091200.

The previous prime is 1101311207. The next prime is 1101311249. The reversal of 1101311211 is 1121131011.

It is not a de Polignac number, because 1101311211 - 2² = 1101311207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101311201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5175 + ... + 47216.

It is an arithmetic number, because the mean of its divisors is an integer number (41808816).

Almost surely, 2^1101311211 is an apocalyptic number.

1101311211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101311211 is a deficient number, since it is larger than the sum of its proper divisors (905511957).

1101311211 is a wasteful number, since it uses less digits than its factorization.

1101311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52432 (or 52425 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

The square root of 1101311211 is about 33186.0092659542. The cubic root of 1101311211 is about 1032.6901153317.

Adding to 1101311211 its reverse (1121131011), we get a palindrome (2222442222).

The spelling of 1101311211 in words is "one billion, one hundred one million, three hundred eleven thousand, two hundred eleven".