21342650601241 has 4 divisors (see below), whose sum is σ = 21704390442000. Its totient is φ = 20980910760484.

The previous prime is 21342650601227. The next prime is 21342650601299. The reversal of 21342650601241 is 14210605624312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21342650601241 - 2¹⁹ = 21342650076953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21342650601241.

It is not an unprimeable number, because it can be changed into a prime (21342650608241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180869920291 + ... + 180869920408.

It is an arithmetic number, because the mean of its divisors is an integer number (5426097610500).

Almost surely, 2^{21342650601241} is an apocalyptic number.

It is an amenable number.

21342650601241 is a deficient number, since it is larger than the sum of its proper divisors (361739840759).

21342650601241 is an equidigital number, since it uses as much as digits as its factorization.

21342650601241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361739840758.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 21342650601241 in words is "twenty-one trillion, three hundred forty-two billion, six hundred fifty million, six hundred one thousand, two hundred forty-one".