201100211218 has 8 divisors (see below), whose sum is σ = 312052051980. Its totient is φ = 97082860560.

The previous prime is 201100211209. The next prime is 201100211219. The reversal of 201100211218 is 812112001102.

It can be written as a sum of positive squares in 2 ways, for example, as 201047314689 + 52896529 = 448383^2 + 7273^2 .

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 = 201100211195 and 201100211204.

It is not an unprimeable number, because it can be changed into a prime (201100211219) 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, 1733622453 + ... + 1733622568.

Almost surely, 2^201100211218 is an apocalyptic number.

201100211218 is a deficient number, since it is larger than the sum of its proper divisors (110951840762).

201100211218 is a wasteful number, since it uses less digits than its factorization.

201100211218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467245052.

The product of its (nonzero) digits is 64, while the sum is 19.

The spelling of 201100211218 in words is "two hundred one billion, one hundred million, two hundred eleven thousand, two hundred eighteen".