10421222461 has 8 divisors (see below), whose sum is σ = 11228687960. Its totient is φ = 9614590272.

The previous prime is 10421222447. The next prime is 10421222489. The reversal of 10421222461 is 16422212401.

It can be written as a sum of positive squares in 4 ways, for example, as 216384100 + 10204838361 = 14710^2 + 101019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10421222461 - 2¹¹ = 10421220413 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 (10421222491) 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 7 ways as a sum of consecutive naturals, for example, 182226 + ... + 232483.

It is an arithmetic number, because the mean of its divisors is an integer number (1403585995).

Almost surely, 2^10421222461 is an apocalyptic number.

It is an amenable number.

10421222461 is a deficient number, since it is larger than the sum of its proper divisors (807465499).

10421222461 is a wasteful number, since it uses less digits than its factorization.

10421222461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416655.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 10421222461 its reverse (16422212401), we get a palindrome (26843434862).

The spelling of 10421222461 in words is "ten billion, four hundred twenty-one million, two hundred twenty-two thousand, four hundred sixty-one".