21114302201 has 4 divisors (see below), whose sum is σ = 21114594804. Its totient is φ = 21114009600.

The previous prime is 21114302191. The next prime is 21114302219. The reversal of 21114302201 is 10220341112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13759524601 + 7354777600 = 117301^2 + 85760^2 .

It is a cyclic number.

It is not a de Polignac number, because 21114302201 - 2¹⁰ = 21114301177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21114302201.

It is not an unprimeable number, because it can be changed into a prime (21114302101) 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, 47621 + ... + 210941.

It is an arithmetic number, because the mean of its divisors is an integer number (5278648701).

Almost surely, 2^21114302201 is an apocalyptic number.

It is an amenable number.

21114302201 is a deficient number, since it is larger than the sum of its proper divisors (292603).

21114302201 is a wasteful number, since it uses less digits than its factorization.

21114302201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292602.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21114302201 its reverse (10220341112), we get a palindrome (31334643313).

The spelling of 21114302201 in words is "twenty-one billion, one hundred fourteen million, three hundred two thousand, two hundred one".