11344320402021 has 12 divisors (see below), whose sum is σ = 17098685823648. Its totient is φ = 7234059386664.

The previous prime is 11344320401969. The next prime is 11344320402073. The reversal of 11344320402021 is 12020402344311.

11344320402021 is a `hidden beast` number, since 1 + 13 + 443 + 2 + 0 + 4 + 0 + 202 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (11344320401969) and next prime (11344320402073).

It is a de Polignac number, because none of the positive numbers 2^k-11344320402021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344320402221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27401739895 + ... + 27401740308.

It is an arithmetic number, because the mean of its divisors is an integer number (1424890485304).

Almost surely, 2^{11344320402021} is an apocalyptic number.

It is an amenable number.

11344320402021 is a deficient number, since it is larger than the sum of its proper divisors (5754365421627).

11344320402021 is a wasteful number, since it uses less digits than its factorization.

11344320402021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54803480232 (or 54803480229 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11344320402021 its reverse (12020402344311), we get a palindrome (23364722746332).

The spelling of 11344320402021 in words is "eleven trillion, three hundred forty-four billion, three hundred twenty million, four hundred two thousand, twenty-one".