21202330101 has 4 divisors (see below), whose sum is σ = 28269773472. Its totient is φ = 14134886732.

The previous prime is 21202330063. The next prime is 21202330117. The reversal of 21202330101 is 10103320212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21202330101 - 2¹⁹ = 21201805813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202330141) 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, 3533721681 + ... + 3533721686.

It is an arithmetic number, because the mean of its divisors is an integer number (7067443368).

Almost surely, 2^21202330101 is an apocalyptic number.

It is an amenable number.

21202330101 is a deficient number, since it is larger than the sum of its proper divisors (7067443371).

21202330101 is an equidigital number, since it uses as much as digits as its factorization.

21202330101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067443370.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21202330101 its reverse (10103320212), we get a palindrome (31305650313).

The spelling of 21202330101 in words is "twenty-one billion, two hundred two million, three hundred thirty thousand, one hundred one".