11421102 has 64 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 2909280.

The previous prime is 11421079. The next prime is 11421119. The reversal of 11421102 is 20112411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 27049 + ... + 27467.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^11421102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11421102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515200).

11421102 is an abundant number, since it is smaller than the sum of its proper divisors (17609298).

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

11421102 is a wasteful number, since it uses less digits than its factorization.

11421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11421102 is about 3379.5120949628. The cubic root of 11421102 is about 225.2004928968.

Adding to 11421102 its reverse (20112411), we get a palindrome (31533513).

The spelling of 11421102 in words is "eleven million, four hundred twenty-one thousand, one hundred two".