102212001222222 has 16 divisors (see below), whose sum is σ = 204424102172160. Its totient is φ = 34070650452792.

The previous prime is 102212001222181. The next prime is 102212001222257. The reversal of 102212001222222 is 222222100212201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19727779 + ... + 24364097.

It is an arithmetic number, because the mean of its divisors is an integer number (12776506385760).

Almost surely, 2^{102212001222222} is an apocalyptic number.

102212001222222 is an abundant number, since it is smaller than the sum of its proper divisors (102212100949938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212001222222 is a wasteful number, since it uses less digits than its factorization.

102212001222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8310647.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102212001222222 its reverse (222222100212201), we get a palindrome (324434101434423).

The spelling of 102212001222222 in words is "one hundred two trillion, two hundred twelve billion, one million, two hundred twenty-two thousand, two hundred twenty-two".