221949518114 has 16 divisors (see below), whose sum is σ = 337665342168. Its totient is φ = 109403308032.

The previous prime is 221949518113. The next prime is 221949518117. The reversal of 221949518114 is 411815949122.

221949518114 is digitally balanced in base 3, 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 4 ways, for example, as 219101694889 + 2847823225 = 468083^2 + 53365^2 .

It is a super-3 number, since 3×221949518114³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (221949518113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2175959 + ... + 2275674.

Almost surely, 2^221949518114 is an apocalyptic number.

221949518114 is a deficient number, since it is larger than the sum of its proper divisors (115715824054).

221949518114 is a wasteful number, since it uses less digits than its factorization.

221949518114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451989.

The product of its digits is 207360, while the sum is 47.

The spelling of 221949518114 in words is "two hundred twenty-one billion, nine hundred forty-nine million, five hundred eighteen thousand, one hundred fourteen".