21013320140101 has 8 divisors (see below), whose sum is σ = 21927005884800. Its totient is φ = 20099639656272.

The previous prime is 21013320140063. The next prime is 21013320140123. The reversal of 21013320140101 is 10104102331012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21013320140101 - 2¹⁵ = 21013320107333 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 (21013321140101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8362071 + ... + 10580683.

It is an arithmetic number, because the mean of its divisors is an integer number (2740875735600).

Almost surely, 2^{21013320140101} is an apocalyptic number.

It is an amenable number.

21013320140101 is a deficient number, since it is larger than the sum of its proper divisors (913685744699).

21013320140101 is a wasteful number, since it uses less digits than its factorization.

21013320140101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630435.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21013320140101 its reverse (10104102331012), we get a palindrome (31117422471113).

The spelling of 21013320140101 in words is "twenty-one trillion, thirteen billion, three hundred twenty million, one hundred forty thousand, one hundred one".