13243241022021 has 24 divisors (see below), whose sum is σ = 20477535047424. Its totient is φ = 8544026460960.

The previous prime is 13243241022013. The next prime is 13243241022031. The reversal of 13243241022021 is 12022014234231.

13243241022021 is a `hidden beast` number, since 1 + 3 + 2 + 4 + 3 + 2 + 410 + 220 + 21 = 666.

It is not a de Polignac number, because 13243241022021 - 2³ = 13243241022013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243241022031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879007536 + ... + 879022601.

It is an arithmetic number, because the mean of its divisors is an integer number (853230626976).

Almost surely, 2^{13243241022021} is an apocalyptic number.

It is an amenable number.

13243241022021 is a deficient number, since it is larger than the sum of its proper divisors (7234294025403).

13243241022021 is an equidigital number, since it uses as much as digits as its factorization.

13243241022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758030183 (or 1758030171 counting only the distinct ones).

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

Adding to 13243241022021 its reverse (12022014234231), we get a palindrome (25265255256252).

The spelling of 13243241022021 in words is "thirteen trillion, two hundred forty-three billion, two hundred forty-one million, twenty-two thousand, twenty-one".