102222111222212 has 12 divisors (see below), whose sum is σ = 183251833532796. Its totient is φ = 49864444498560.

The previous prime is 102222111222181. The next prime is 102222111222229. The reversal of 102222111222212 is 212222111222201.

It can be written as a sum of positive squares in 2 ways, for example, as 14826088417156 + 87396022805056 = 3850466^2 + 9348584^2 .

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, 311652777953 + ... + 311652778280.

It is an arithmetic number, because the mean of its divisors is an integer number (15270986127733).

Almost surely, 2^{102222111222212} is an apocalyptic number.

It is an amenable number.

102222111222212 is a deficient number, since it is larger than the sum of its proper divisors (81029722310584).

102222111222212 is a wasteful number, since it uses less digits than its factorization.

102222111222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623305556278 (or 623305556276 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 102222111222212 its reverse (212222111222201), we get a palindrome (314444222444413).

The spelling of 102222111222212 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twelve".