21102313230001 has 4 divisors (see below), whose sum is σ = 21102517069092. Its totient is φ = 21102109390912.

The previous prime is 21102313229999. The next prime is 21102313230017. The reversal of 21102313230001 is 10003231320112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19108919390625 + 1993393839376 = 4371375^2 + 1411876^2 .

It is a cyclic number.

It is not a de Polignac number, because 21102313230001 - 2¹ = 21102313229999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21102313230071) 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, 101764180 + ... + 101971333.

It is an arithmetic number, because the mean of its divisors is an integer number (5275629267273).

Almost surely, 2^{21102313230001} is an apocalyptic number.

It is an amenable number.

21102313230001 is a deficient number, since it is larger than the sum of its proper divisors (203839091).

21102313230001 is a wasteful number, since it uses less digits than its factorization.

21102313230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203839090.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21102313230001 its reverse (10003231320112), we get a palindrome (31105544550113).

The spelling of 21102313230001 in words is "twenty-one trillion, one hundred two billion, three hundred thirteen million, two hundred thirty thousand, one".