21101112301301 has 4 divisors (see below), whose sum is σ = 21143399100000. Its totient is φ = 21058825502604.

The previous prime is 21101112301253. The next prime is 21101112301337. The reversal of 21101112301301 is 10310321110112.

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 21101112301301 - 2¹⁸ = 21101112039157 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 21101112301301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101112301391) 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, 21143398601 + ... + 21143399598.

It is an arithmetic number, because the mean of its divisors is an integer number (5285849775000).

Almost surely, 2^{21101112301301} is an apocalyptic number.

It is an amenable number.

21101112301301 is a deficient number, since it is larger than the sum of its proper divisors (42286798699).

21101112301301 is an equidigital number, since it uses as much as digits as its factorization.

21101112301301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42286798698.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 21101112301301 its reverse (10310321110112), we get a palindrome (31411433411413).

The spelling of 21101112301301 in words is "twenty-one trillion, one hundred one billion, one hundred twelve million, three hundred one thousand, three hundred one".