222221110210012 has 6 divisors (see below), whose sum is σ = 388886942867528. Its totient is φ = 111110555105004.

The previous prime is 222221110210009. The next prime is 222221110210039. The reversal of 222221110210012 is 210012011122222.

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, 27777638776248 + ... + 27777638776255.

Almost surely, 2^{222221110210012} is an apocalyptic number.

It is an amenable number.

222221110210012 is a deficient number, since it is larger than the sum of its proper divisors (166665832657516).

222221110210012 is a wasteful number, since it uses less digits than its factorization.

222221110210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55555277552507 (or 55555277552505 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222221110210012 its reverse (210012011122222), we get a palindrome (432233121332234).

The spelling of 222221110210012 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred ten million, two hundred ten thousand, twelve".