1101211311 has 8 divisors (see below), whose sum is σ = 1472974000. Its totient is φ = 731794752.

The previous prime is 1101211303. The next prime is 1101211313. The reversal of 1101211311 is 1131121011.

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

It is not a de Polignac number, because 1101211311 - 2³ = 1101211303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101211313) 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, 585436 + ... + 587313.

It is an arithmetic number, because the mean of its divisors is an integer number (184121750).

Almost surely, 2^1101211311 is an apocalyptic number.

1101211311 is a deficient number, since it is larger than the sum of its proper divisors (371762689).

1101211311 is a wasteful number, since it uses less digits than its factorization.

1101211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173065.

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

The square root of 1101211311 is about 33184.5040794646. The cubic root of 1101211311 is about 1032.6588892619.

Adding to 1101211311 its reverse (1131121011), we get a palindrome (2232332322).

The spelling of 1101211311 in words is "one billion, one hundred one million, two hundred eleven thousand, three hundred eleven".