11414401021 has 8 divisors (see below), whose sum is σ = 11647083960. Its totient is φ = 11182359552.

The previous prime is 11414401003. The next prime is 11414401043. The reversal of 11414401021 is 12010441411.

It can be written as a sum of positive squares in 4 ways, for example, as 5441275225 + 5973125796 = 73765^2 + 77286^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11414401021 - 2²⁷ = 11280183293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11414401021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11414401091) 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, 124336 + ... + 195673.

It is an arithmetic number, because the mean of its divisors is an integer number (1455885495).

Almost surely, 2^11414401021 is an apocalyptic number.

It is an amenable number.

11414401021 is a deficient number, since it is larger than the sum of its proper divisors (232682939).

11414401021 is an equidigital number, since it uses as much as digits as its factorization.

11414401021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320735.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11414401021 its reverse (12010441411), we get a palindrome (23424842432).

The spelling of 11414401021 in words is "eleven billion, four hundred fourteen million, four hundred one thousand, twenty-one".