102111012222112 has 24 divisors (see below), whose sum is σ = 203784905389716. Its totient is φ = 50356115615232.

The previous prime is 102111012222041. The next prime is 102111012222133. The reversal of 102111012222112 is 211222210111201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96613094006416 + 5497918215696 = 9829196^2 + 2344764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102111012222112.

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 3 ways as a sum of consecutive naturals, for example, 21855950623 + ... + 21855955294.

Almost surely, 2^{102111012222112} is an apocalyptic number.

It is an amenable number.

102111012222112 is a deficient number, since it is larger than the sum of its proper divisors (101673893167604).

102111012222112 is an equidigital number, since it uses as much as digits as its factorization.

102111012222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43711906000 (or 43711905992 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102111012222112 its reverse (211222210111201), we get a palindrome (313333222333313).

The spelling of 102111012222112 in words is "one hundred two trillion, one hundred eleven billion, twelve million, two hundred twenty-two thousand, one hundred twelve".