221056102 has 16 divisors (see below), whose sum is σ = 344592000. Its totient is φ = 106240320.

The previous prime is 221056097. The next prime is 221056123. The reversal of 221056102 is 201650122.

It is a self number, because there is not a number n which added to its sum of digits gives 221056102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727 + ... + 21202.

It is an arithmetic number, because the mean of its divisors is an integer number (21537000).

Almost surely, 2^221056102 is an apocalyptic number.

221056102 is a deficient number, since it is larger than the sum of its proper divisors (123535898).

221056102 is a wasteful number, since it uses less digits than its factorization.

221056102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24111.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 221056102 is about 14867.9555420374. The cubic root of 221056102 is about 604.6455150809.

The spelling of 221056102 in words is "two hundred twenty-one million, fifty-six thousand, one hundred two".