221213414684 has 12 divisors (see below), whose sum is σ = 387970576224. Its totient is φ = 110364678624.

The previous prime is 221213414593. The next prime is 221213414767. The reversal of 221213414684 is 486414312122.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 60505124 + ... + 60508779.

It is an arithmetic number, because the mean of its divisors is an integer number (32330881352).

Almost surely, 2^221213414684 is an apocalyptic number.

It is an amenable number.

221213414684 is a deficient number, since it is larger than the sum of its proper divisors (166757161540).

221213414684 is a wasteful number, since it uses less digits than its factorization.

221213414684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121014364 (or 121014362 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The spelling of 221213414684 in words is "two hundred twenty-one billion, two hundred thirteen million, four hundred fourteen thousand, six hundred eighty-four".