21222200301 has 4 divisors (see below), whose sum is σ = 28296267072. Its totient is φ = 14148133532.

The previous prime is 21222200249. The next prime is 21222200327. The reversal of 21222200301 is 10300222212.

It is a happy number.

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 21222200301 - 2¹³ = 21222192109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222200101) 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 3 ways as a sum of consecutive naturals, for example, 3537033381 + ... + 3537033386.

It is an arithmetic number, because the mean of its divisors is an integer number (7074066768).

Almost surely, 2^21222200301 is an apocalyptic number.

It is an amenable number.

21222200301 is a deficient number, since it is larger than the sum of its proper divisors (7074066771).

21222200301 is an equidigital number, since it uses as much as digits as its factorization.

21222200301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074066770.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21222200301 its reverse (10300222212), we get a palindrome (31522422513).

The spelling of 21222200301 in words is "twenty-one billion, two hundred twenty-two million, two hundred thousand, three hundred one".