211220314418 has 8 divisors (see below), whose sum is σ = 316958388012. Its totient is φ = 105567518416.

The previous prime is 211220314387. The next prime is 211220314427. The reversal of 211220314418 is 814413022112.

211220314418 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 2 ways, for example, as 189427764289 + 21792550129 = 435233^2 + 147623^2 .

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

It is a super-2 number, since 2×211220314418² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21313205 + ... + 21323112.

Almost surely, 2^211220314418 is an apocalyptic number.

211220314418 is a deficient number, since it is larger than the sum of its proper divisors (105738073594).

211220314418 is a wasteful number, since it uses less digits than its factorization.

211220314418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42638796.

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 211220314418 in words is "two hundred eleven billion, two hundred twenty million, three hundred fourteen thousand, four hundred eighteen".