102212221222 has 8 divisors (see below), whose sum is σ = 155418583176. Its totient is φ = 50406026832.

The previous prime is 102212221207. The next prime is 102212221249. The reversal of 102212221222 is 222122212201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102212221222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350041708 + ... + 350041999.

It is an arithmetic number, because the mean of its divisors is an integer number (19427322897).

Almost surely, 2^102212221222 is an apocalyptic number.

102212221222 is a deficient number, since it is larger than the sum of its proper divisors (53206361954).

102212221222 is an equidigital number, since it uses as much as digits as its factorization.

102212221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700083782.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102212221222 its reverse (222122212201), we get a palindrome (324334433423).

The spelling of 102212221222 in words is "one hundred two billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".