221235145114 has 16 divisors (see below), whose sum is σ = 350768119680. Its totient is φ = 104360754240.

The previous prime is 221235145069. The next prime is 221235145121. The reversal of 221235145114 is 411541532122.

It is a super-2 number, since 2×221235145114² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12069634 + ... + 12087949.

It is an arithmetic number, because the mean of its divisors is an integer number (21923007480).

Almost surely, 2^221235145114 is an apocalyptic number.

221235145114 is a deficient number, since it is larger than the sum of its proper divisors (129532974566).

221235145114 is a wasteful number, since it uses less digits than its factorization.

221235145114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24157845.

The product of its digits is 9600, while the sum is 31.

Adding to 221235145114 its reverse (411541532122), we get a palindrome (632776677236).

The spelling of 221235145114 in words is "two hundred twenty-one billion, two hundred thirty-five million, one hundred forty-five thousand, one hundred fourteen".