215335223111201 has 6 divisors (see below), whose sum is σ = 220459479368850. Its totient is φ = 210327427223088.

The previous prime is 215335223111171. The next prime is 215335223111209. The reversal of 215335223111201 is 102111322533512.

215335223111201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 146206790560000 + 69128432551201 = 12091600^2 + 8314351^2 .

It is a de Polignac number, because none of the positive numbers 2^k-215335223111201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215335223111209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58230182876 + ... + 58230186573.

It is an arithmetic number, because the mean of its divisors is an integer number (36743246561475).

Almost surely, 2^{215335223111201} is an apocalyptic number.

It is an amenable number.

215335223111201 is a deficient number, since it is larger than the sum of its proper divisors (5124256257649).

215335223111201 is an equidigital number, since it uses as much as digits as its factorization.

215335223111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116460369535 (or 116460369492 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 215335223111201 its reverse (102111322533512), we get a palindrome (317446545644713).

The spelling of 215335223111201 in words is "two hundred fifteen trillion, three hundred thirty-five billion, two hundred twenty-three million, one hundred eleven thousand, two hundred one".