21160133220341 has 4 divisors (see below), whose sum is σ = 21165398248800. Its totient is φ = 21154868191884.

The previous prime is 21160133220313. The next prime is 21160133220377. The reversal of 21160133220341 is 14302233106112.

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 a de Polignac number, because none of the positive numbers 2^k-21160133220341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160133220041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632508201 + ... + 2632516238.

It is an arithmetic number, because the mean of its divisors is an integer number (5291349562200).

Almost surely, 2^{21160133220341} is an apocalyptic number.

It is an amenable number.

21160133220341 is a deficient number, since it is larger than the sum of its proper divisors (5265028459).

21160133220341 is an equidigital number, since it uses as much as digits as its factorization.

21160133220341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265028458.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 21160133220341 its reverse (14302233106112), we get a palindrome (35462366326453).

The spelling of 21160133220341 in words is "twenty-one trillion, one hundred sixty billion, one hundred thirty-three million, two hundred twenty thousand, three hundred forty-one".