218432272101099 has 48 divisors (see below), whose sum is σ = 350520894842400. Its totient is φ = 120498722136576.

The previous prime is 218432272101061. The next prime is 218432272101107. The reversal of 218432272101099 is 990101272234812.

It is a happy number.

It is not a de Polignac number, because 218432272101099 - 2¹¹ = 218432272099051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218432272101899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29577687 + ... + 36217455.

It is an arithmetic number, because the mean of its divisors is an integer number (7302518642550).

Almost surely, 2^{218432272101099} is an apocalyptic number.

218432272101099 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

218432272101099 is a deficient number, since it is larger than the sum of its proper divisors (132088622741301).

218432272101099 is a wasteful number, since it uses less digits than its factorization.

218432272101099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647532 (or 6647525 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 218432272101099 in words is "two hundred eighteen trillion, four hundred thirty-two billion, two hundred seventy-two million, one hundred one thousand, ninety-nine".