21202144033113 has 8 divisors (see below), whose sum is σ = 31410583752800. Its totient is φ = 14134762688724.

The previous prime is 21202144033099. The next prime is 21202144033153. The reversal of 21202144033113 is 31133044120212.

21202144033113 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 214 + 403 + 31 + 13 = 666.

It is not a de Polignac number, because 21202144033113 - 2¹³ = 21202144024921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 785264593819 = 21202144033113 / (2 + 1 + 2 + 0 + 2 + 1 + 4 + 4 + 0 + 3 + 3 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202144033153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392632296883 + ... + 392632296936.

It is an arithmetic number, because the mean of its divisors is an integer number (3926322969100).

Almost surely, 2^{21202144033113} is an apocalyptic number.

It is an amenable number.

21202144033113 is a deficient number, since it is larger than the sum of its proper divisors (10208439719687).

21202144033113 is an equidigital number, since it uses as much as digits as its factorization.

21202144033113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785264593828 (or 785264593822 counting only the distinct ones).

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

Adding to 21202144033113 its reverse (31133044120212), we get a palindrome (52335188153325).

The spelling of 21202144033113 in words is "twenty-one trillion, two hundred two billion, one hundred forty-four million, thirty-three thousand, one hundred thirteen".