102222102121 has 16 divisors (see below), whose sum is σ = 105851950848. Its totient is φ = 98660800000.

The previous prime is 102222102113. The next prime is 102222102167. The reversal of 102222102121 is 121201222201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102222102121 - 2³ = 102222102113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102222102095 and 102222102104.

It is not an unprimeable number, because it can be changed into a prime (102222105121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1148601 + ... + 1234393.

It is an arithmetic number, because the mean of its divisors is an integer number (6615746928).

Almost surely, 2^102222102121 is an apocalyptic number.

It is an amenable number.

102222102121 is a deficient number, since it is larger than the sum of its proper divisors (3629848727).

102222102121 is a wasteful number, since it uses less digits than its factorization.

102222102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86192.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102222102121 its reverse (121201222201), we get a palindrome (223423324322).

The spelling of 102222102121 in words is "one hundred two billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-one".