102210212102 has 4 divisors (see below), whose sum is σ = 153315318156. Its totient is φ = 51105106050.

The previous prime is 102210212077. The next prime is 102210212129. The reversal of 102210212102 is 201212012201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201212012201 = 31 ⋅6490710071.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552553024 + ... + 25552553027.

It is an arithmetic number, because the mean of its divisors is an integer number (38328829539).

Almost surely, 2^102210212102 is an apocalyptic number.

102210212102 is a deficient number, since it is larger than the sum of its proper divisors (51105106054).

102210212102 is an equidigital number, since it uses as much as digits as its factorization.

102210212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51105106053.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102210212102 its reverse (201212012201), we get a palindrome (303422224303).

The spelling of 102210212102 in words is "one hundred two billion, two hundred ten million, two hundred twelve thousand, one hundred two".