21010110001301 has 16 divisors (see below), whose sum is σ = 21744124339200. Its totient is φ = 20276732706048.

The previous prime is 21010110001291. The next prime is 21010110001343. The reversal of 21010110001301 is 10310001101012.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21010110001301 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 (21010110001381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241210300 + ... + 1241227226.

It is an arithmetic number, because the mean of its divisors is an integer number (1359007771200).

Almost surely, 2^{21010110001301} is an apocalyptic number.

It is an amenable number.

21010110001301 is a deficient number, since it is larger than the sum of its proper divisors (734014337899).

21010110001301 is a wasteful number, since it uses less digits than its factorization.

21010110001301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33188.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 21010110001301 its reverse (10310001101012), we get a palindrome (31320111102313).

The spelling of 21010110001301 in words is "twenty-one trillion, ten billion, one hundred ten million, one thousand, three hundred one".