218681941202 has 16 divisors (see below), whose sum is σ = 332223106560. Its totient is φ = 107941305888.

The previous prime is 218681941193. The next prime is 218681941243. The reversal of 218681941202 is 202149186812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037543 + ... + 1230389.

It is an arithmetic number, because the mean of its divisors is an integer number (20763944160).

Almost surely, 2^218681941202 is an apocalyptic number.

218681941202 is a deficient number, since it is larger than the sum of its proper divisors (113541165358).

218681941202 is a wasteful number, since it uses less digits than its factorization.

218681941202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200105.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 218681941202 in words is "two hundred eighteen billion, six hundred eighty-one million, nine hundred forty-one thousand, two hundred two".