21113411110 has 16 divisors (see below), whose sum is σ = 41459062032. Its totient is φ = 7677604000.

The previous prime is 21113411107. The next prime is 21113411117. The reversal of 21113411110 is 1111431112.

It is a super-2 number, since 2×21113411110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113411117) 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 7 ways as a sum of consecutive naturals, for example, 95969941 + ... + 95970160.

It is an arithmetic number, because the mean of its divisors is an integer number (2591191377).

Almost surely, 2^21113411110 is an apocalyptic number.

21113411110 is a deficient number, since it is larger than the sum of its proper divisors (20345650922).

21113411110 is a wasteful number, since it uses less digits than its factorization.

21113411110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191940119.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 21113411110 its reverse (1111431112), we get a palindrome (22224842222).

The spelling of 21113411110 in words is "twenty-one billion, one hundred thirteen million, four hundred eleven thousand, one hundred ten".