21102201301 has 4 divisors (see below), whose sum is σ = 21782917504. Its totient is φ = 20421485100.

The previous prime is 21102201283. The next prime is 21102201319. The reversal of 21102201301 is 10310220112.

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 an interprime number because it is at equal distance from previous prime (21102201283) and next prime (21102201319).

It is a cyclic number.

It is not a de Polignac number, because 21102201301 - 2¹⁹ = 21101677013 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 (21102201361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340358055 + ... + 340358116.

It is an arithmetic number, because the mean of its divisors is an integer number (5445729376).

Almost surely, 2^21102201301 is an apocalyptic number.

It is an amenable number.

21102201301 is a deficient number, since it is larger than the sum of its proper divisors (680716203).

21102201301 is an equidigital number, since it uses as much as digits as its factorization.

21102201301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680716202.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21102201301 its reverse (10310220112), we get a palindrome (31412421413).

The spelling of 21102201301 in words is "twenty-one billion, one hundred two million, two hundred one thousand, three hundred one".