221012320982 has 8 divisors (see below), whose sum is σ = 331542064056. Its totient is φ = 110498299632.

The previous prime is 221012320973. The next prime is 221012321009. The reversal of 221012320982 is 289023210122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3895223 + ... + 3951554.

It is an arithmetic number, because the mean of its divisors is an integer number (41442758007).

Almost surely, 2^221012320982 is an apocalyptic number.

221012320982 is a deficient number, since it is larger than the sum of its proper divisors (110529743074).

221012320982 is a wasteful number, since it uses less digits than its factorization.

221012320982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860862.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 221012320982 in words is "two hundred twenty-one billion, twelve million, three hundred twenty thousand, nine hundred eighty-two".