200200221121218 has 32 divisors (see below), whose sum is σ = 421475750001600. Its totient is φ = 63220882418496.

The previous prime is 200200221121151. The next prime is 200200221121223. The reversal of 200200221121218 is 812121122002002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28118448 + ... + 34511556.

It is an arithmetic number, because the mean of its divisors is an integer number (13171117187550).

Almost surely, 2^{200200221121218} is an apocalyptic number.

200200221121218 is an abundant number, since it is smaller than the sum of its proper divisors (221275528880382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200200221121218 is a wasteful number, since it uses less digits than its factorization.

200200221121218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667826.

The product of its (nonzero) digits is 512, while the sum is 24.

The spelling of 200200221121218 in words is "two hundred trillion, two hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred eighteen".