11244211440421 has 16 divisors (see below), whose sum is σ = 11362093940736. Its totient is φ = 11127115436976.

The previous prime is 11244211440353. The next prime is 11244211440431. The reversal of 11244211440421 is 12404411244211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11244211440421 - 2²⁵ = 11244177885989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244211440431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26947446 + ... + 27361528.

It is an arithmetic number, because the mean of its divisors is an integer number (710130871296).

Almost surely, 2^{11244211440421} is an apocalyptic number.

It is an amenable number.

11244211440421 is a deficient number, since it is larger than the sum of its proper divisors (117882500315).

11244211440421 is a wasteful number, since it uses less digits than its factorization.

11244211440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415032.

The product of its (nonzero) digits is 8192, while the sum is 31.

Adding to 11244211440421 its reverse (12404411244211), we get a palindrome (23648622684632).

The spelling of 11244211440421 in words is "eleven trillion, two hundred forty-four billion, two hundred eleven million, four hundred forty thousand, four hundred twenty-one".