21101310202301 has 16 divisors (see below), whose sum is σ = 24174913079808. Its totient is φ = 18042505681200.

The previous prime is 21101310202261. The next prime is 21101310202309. The reversal of 21101310202301 is 10320201310112.

It is not a de Polignac number, because 21101310202301 - 2¹⁸ = 21101309940157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21101310202301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101310202309) 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, 15377306 + ... + 16693236.

It is an arithmetic number, because the mean of its divisors is an integer number (1510932067488).

Almost surely, 2^{21101310202301} is an apocalyptic number.

It is an amenable number.

21101310202301 is a deficient number, since it is larger than the sum of its proper divisors (3073602877507).

21101310202301 is a wasteful number, since it uses less digits than its factorization.

21101310202301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321552.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21101310202301 its reverse (10320201310112), we get a palindrome (31421511512413).

The spelling of 21101310202301 in words is "twenty-one trillion, one hundred one billion, three hundred ten million, two hundred two thousand, three hundred one".