221012030332 has 6 divisors (see below), whose sum is σ = 386771053088. Its totient is φ = 110506015164.

The previous prime is 221012030263. The next prime is 221012030357. The reversal of 221012030332 is 233030210122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27626503788 + ... + 27626503795.

Almost surely, 2^221012030332 is an apocalyptic number.

It is an amenable number.

221012030332 is a deficient number, since it is larger than the sum of its proper divisors (165759022756).

221012030332 is a wasteful number, since it uses less digits than its factorization.

221012030332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55253007587 (or 55253007585 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 221012030332 its reverse (233030210122), we get a palindrome (454042240454).

The spelling of 221012030332 in words is "two hundred twenty-one billion, twelve million, thirty thousand, three hundred thirty-two".