215101214 has 8 divisors (see below), whose sum is σ = 325115208. Its totient is φ = 106729480.

The previous prime is 215101213. The next prime is 215101231. The reversal of 215101214 is 412101512.

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

It is a junction number, because it is equal to n+sod(n) for n = 215101192 and 215101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215101213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410237 + ... + 410760.

It is an arithmetic number, because the mean of its divisors is an integer number (40639401).

Almost surely, 2^215101214 is an apocalyptic number.

215101214 is a deficient number, since it is larger than the sum of its proper divisors (110013994).

215101214 is a wasteful number, since it uses less digits than its factorization.

215101214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821130.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 215101214 is about 14666.3292612705. The cubic root of 215101214 is about 599.1666337779.

Adding to 215101214 its reverse (412101512), we get a palindrome (627202726).

The spelling of 215101214 in words is "two hundred fifteen million, one hundred one thousand, two hundred fourteen".