1101881011 has 16 divisors (see below), whose sum is σ = 1377342720. Its totient is φ = 856378080.

The previous prime is 1101881009. The next prime is 1101881029.

1101881011 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1101881011 - 2¹ = 1101881009 is a prime.

1101881011 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101881111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11560 + ... + 48346.

It is an arithmetic number, because the mean of its divisors is an integer number (86083920).

Almost surely, 2^1101881011 is an apocalyptic number.

1101881011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101881011 is a deficient number, since it is larger than the sum of its proper divisors (275461709).

1101881011 is a wasteful number, since it uses less digits than its factorization.

1101881011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37194.

The product of its (nonzero) digits is 64, while the sum is 22.

The square root of 1101881011 is about 33194.5930988768. The cubic root of 1101881011 is about 1032.8681834896.

It can be divided in two parts, 11018 and 81011, that added together give a palindrome (92029).

The spelling of 1101881011 in words is "one billion, one hundred one million, eight hundred eighty-one thousand, eleven".