102120220012102 has 16 divisors (see below), whose sum is σ = 154128410943552. Its totient is φ = 50744882089000.

The previous prime is 102120220012099. The next prime is 102120220012127. The reversal of 102120220012102 is 201210022021201.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 199508524 + ... + 200019727.

It is an arithmetic number, because the mean of its divisors is an integer number (9633025683972).

Almost surely, 2^{102120220012102} is an apocalyptic number.

102120220012102 is a deficient number, since it is larger than the sum of its proper divisors (52008190931450).

102120220012102 is a wasteful number, since it uses less digits than its factorization.

102120220012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399529043.

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

Adding to 102120220012102 its reverse (201210022021201), we get a palindrome (303330242033303).

The spelling of 102120220012102 in words is "one hundred two trillion, one hundred twenty billion, two hundred twenty million, twelve thousand, one hundred two".