11421110 has 48 divisors (see below), whose sum is σ = 22934016. Its totient is φ = 4080384.

The previous prime is 11421079. The next prime is 11421119. The reversal of 11421110 is 1112411.

It is a junction number, because it is equal to n+sod(n) for n = 11421091 and 11421100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89867 + ... + 89993.

It is an arithmetic number, because the mean of its divisors is an integer number (477792).

Almost surely, 2^11421110 is an apocalyptic number.

11421110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11421110 is an abundant number, since it is smaller than the sum of its proper divisors (11512906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11421110 is a wasteful number, since it uses less digits than its factorization.

11421110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11421110 is about 3379.5132785654. The cubic root of 11421110 is about 225.2005454779.

Adding to 11421110 its reverse (1112411), we get a palindrome (12533521).

The spelling of 11421110 in words is "eleven million, four hundred twenty-one thousand, one hundred ten".