10211304421 has 4 divisors (see below), whose sum is σ = 10255895500. Its totient is φ = 10166713344.

The previous prime is 10211304401. The next prime is 10211304449. The reversal of 10211304421 is 12440311201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3879919521 + 6331384900 = 62289^2 + 79570^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211304421 - 2¹³ = 10211296229 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 (10211304401) 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, 22295196 + ... + 22295653.

It is an arithmetic number, because the mean of its divisors is an integer number (2563973875).

Almost surely, 2^10211304421 is an apocalyptic number.

It is an amenable number.

10211304421 is a deficient number, since it is larger than the sum of its proper divisors (44591079).

10211304421 is an equidigital number, since it uses as much as digits as its factorization.

10211304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44591078.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10211304421 its reverse (12440311201), we get a palindrome (22651615622).

The spelling of 10211304421 in words is "ten billion, two hundred eleven million, three hundred four thousand, four hundred twenty-one".