10421271267 has 8 divisors (see below), whose sum is σ = 15158212800. Its totient is φ = 6315921960.

The previous prime is 10421271257. The next prime is 10421271359. The reversal of 10421271267 is 76217212401.

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

It is not a de Polignac number, because 10421271267 - 2²³ = 10412882659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 315796099 = 10421271267 / (1 + 0 + 4 + 2 + 1 + 2 + 7 + 1 + 2 + 6 + 7).

It is not an unprimeable number, because it can be changed into a prime (10421271247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157898017 + ... + 157898082.

It is an arithmetic number, because the mean of its divisors is an integer number (1894776600).

Almost surely, 2^10421271267 is an apocalyptic number.

10421271267 is a deficient number, since it is larger than the sum of its proper divisors (4736941533).

10421271267 is a wasteful number, since it uses less digits than its factorization.

10421271267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315796113.

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 10421271267 its reverse (76217212401), we get a palindrome (86638483668).

The spelling of 10421271267 in words is "ten billion, four hundred twenty-one million, two hundred seventy-one thousand, two hundred sixty-seven".