221260556116 has 12 divisors (see below), whose sum is σ = 387560890080. Its totient is φ = 110528873240.

The previous prime is 221260556087. The next prime is 221260556137. The reversal of 221260556116 is 611655062122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25346296 + ... + 25355023.

It is an arithmetic number, because the mean of its divisors is an integer number (32296740840).

Almost surely, 2^221260556116 is an apocalyptic number.

It is an amenable number.

221260556116 is a deficient number, since it is larger than the sum of its proper divisors (166300333964).

221260556116 is a wasteful number, since it uses less digits than its factorization.

221260556116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50702414 (or 50702412 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 221260556116 in words is "two hundred twenty-one billion, two hundred sixty million, five hundred fifty-six thousand, one hundred sixteen".