11344343100021 has 6 divisors (see below), whose sum is σ = 16386273366710. Its totient is φ = 7562895400008.

The previous prime is 11344343099981. The next prime is 11344343100089. The reversal of 11344343100021 is 12000134344311.

11344343100021 is a `hidden beast` number, since 1 + 1 + 344 + 3 + 4 + 310 + 0 + 0 + 2 + 1 = 666.

11344343100021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11267938400625 + 76404699396 = 3356775^2 + 276414^2 .

It is not a de Polignac number, because 11344343100021 - 2³¹ = 11342195616373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344343100091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 630241283326 + ... + 630241283343.

Almost surely, 2^{11344343100021} is an apocalyptic number.

It is an amenable number.

11344343100021 is a deficient number, since it is larger than the sum of its proper divisors (5041930266689).

11344343100021 is a wasteful number, since it uses less digits than its factorization.

11344343100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260482566675 (or 1260482566672 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 11344343100021 its reverse (12000134344311), we get a palindrome (23344477444332).

The spelling of 11344343100021 in words is "eleven trillion, three hundred forty-four billion, three hundred forty-three million, one hundred thousand, twenty-one".