102122323112 has 8 divisors (see below), whose sum is σ = 191479355850. Its totient is φ = 51061161552.

The previous prime is 102122323111. The next prime is 102122323117. The reversal of 102122323112 is 211323221201.

It can be written as a sum of positive squares in only one way, i.e., 97927688356 + 4194634756 = 312934^2 + 64766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (102122323111) 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 as a sum of consecutive naturals, namely, 6382645187 + ... + 6382645202.

Almost surely, 2^102122323112 is an apocalyptic number.

It is an amenable number.

102122323112 is a deficient number, since it is larger than the sum of its proper divisors (89357032738).

102122323112 is a wasteful number, since it uses less digits than its factorization.

102122323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12765290395 (or 12765290391 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102122323112 its reverse (211323221201), we get a palindrome (313445544313).

The spelling of 102122323112 in words is "one hundred two billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred twelve".