102222123212222 has 16 divisors (see below), whose sum is σ = 168968232288240. Its totient is φ = 46082245168512.

The previous prime is 102222123212201. The next prime is 102222123212227. The reversal of 102222123212222 is 222212321222201.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 102222123212191 and 102222123212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222123212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45716511947 + ... + 45716514182.

It is an arithmetic number, because the mean of its divisors is an integer number (10560514518015).

Almost surely, 2^{102222123212222} is an apocalyptic number.

102222123212222 is a deficient number, since it is larger than the sum of its proper divisors (66746109076018).

102222123212222 is a wasteful number, since it uses less digits than its factorization.

102222123212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91433026187.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 102222123212222 its reverse (222212321222201), we get a palindrome (324434444434423).

The spelling of 102222123212222 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty-three million, two hundred twelve thousand, two hundred twenty-two".