21310302101 has 16 divisors (see below), whose sum is σ = 23879570688. Its totient is φ = 18851131200.

The previous prime is 21310302073. The next prime is 21310302119. The reversal of 21310302101 is 10120301312.

It is not a de Polignac number, because 21310302101 - 2¹⁸ = 21310039957 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 (21310302151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29690 + ... + 208571.

It is an arithmetic number, because the mean of its divisors is an integer number (1492473168).

Almost surely, 2^21310302101 is an apocalyptic number.

It is an amenable number.

21310302101 is a deficient number, since it is larger than the sum of its proper divisors (2569268587).

21310302101 is a wasteful number, since it uses less digits than its factorization.

21310302101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238492.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21310302101 its reverse (10120301312), we get a palindrome (31430603413).

The spelling of 21310302101 in words is "twenty-one billion, three hundred ten million, three hundred two thousand, one hundred one".