215010011011211 has 8 divisors (see below), whose sum is σ = 231727769432544. Its totient is φ = 198317756419200.

The previous prime is 215010011011207. The next prime is 215010011011241. The reversal of 215010011011211 is 112110110010512.

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 215010011011211 - 2² = 215010011011207 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 215010011011211.

It is not an unprimeable number, because it can be changed into a prime (215010011011241) 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, 6375939815 + ... + 6375973536.

It is an arithmetic number, because the mean of its divisors is an integer number (28965971179068).

Almost surely, 2^{215010011011211} is an apocalyptic number.

215010011011211 is a deficient number, since it is larger than the sum of its proper divisors (16717758421333).

215010011011211 is a wasteful number, since it uses less digits than its factorization.

215010011011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751914661.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 215010011011211 its reverse (112110110010512), we get a palindrome (327120121021723).

The spelling of 215010011011211 in words is "two hundred fifteen trillion, ten billion, eleven million, eleven thousand, two hundred eleven".