21303110100001 has 8 divisors (see below), whose sum is σ = 21593064039680. Its totient is φ = 21013663518432.

The previous prime is 21303110099981. The next prime is 21303110100017. The reversal of 21303110100001 is 10000101130312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21303110100001 - 2⁹ = 21303110099489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21303110140001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126754980 + ... + 126922933.

It is an arithmetic number, because the mean of its divisors is an integer number (2699133004960).

Almost surely, 2^{21303110100001} is an apocalyptic number.

It is an amenable number.

21303110100001 is a deficient number, since it is larger than the sum of its proper divisors (289953939679).

21303110100001 is a wasteful number, since it uses less digits than its factorization.

21303110100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253679055.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21303110100001 its reverse (10000101130312), we get a palindrome (31303211230313).

The spelling of 21303110100001 in words is "twenty-one trillion, three hundred three billion, one hundred ten million, one hundred thousand, one".