21150216301367 has 8 divisors (see below), whose sum is σ = 21417681586224. Its totient is φ = 20883052050048.

The previous prime is 21150216301261. The next prime is 21150216301531. The reversal of 21150216301367 is 76310361205112.

It is a happy number.

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 21150216301367 - 2⁸ = 21150216301111 is a prime.

It is a super-2 number, since 2×21150216301367² (a number of 27 digits) contains 22 as substring.

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 21150216301367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21150216301867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75116978 + ... + 75398015.

It is an arithmetic number, because the mean of its divisors is an integer number (2677210198278).

Almost surely, 2^{21150216301367} is an apocalyptic number.

21150216301367 is a deficient number, since it is larger than the sum of its proper divisors (267465284857).

21150216301367 is a wasteful number, since it uses less digits than its factorization.

21150216301367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150516769.

The product of its (nonzero) digits is 45360, while the sum is 38.

Adding to 21150216301367 its reverse (76310361205112), we get a palindrome (97460577506479).

The spelling of 21150216301367 in words is "twenty-one trillion, one hundred fifty billion, two hundred sixteen million, three hundred one thousand, three hundred sixty-seven".