101012218 has 8 divisors (see below), whose sum is σ = 154002420. Its totient is φ = 49678080.

The previous prime is 101012207. The next prime is 101012231. The reversal of 101012218 is 812210101.

It can be written as a sum of positive squares in 2 ways, for example, as 83229129 + 17783089 = 9123^2 + 4217^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413863 + ... + 414106.

Almost surely, 2^101012218 is an apocalyptic number.

101012218 is a deficient number, since it is larger than the sum of its proper divisors (52990202).

101012218 is an equidigital number, since it uses as much as digits as its factorization.

101012218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828032.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 101012218 is about 10050.4834709580. The cubic root of 101012218 is about 465.7197286840.

Adding to 101012218 its reverse (812210101), we get a palindrome (913222319).

The spelling of 101012218 in words is "one hundred one million, twelve thousand, two hundred eighteen".