102212210102 has 4 divisors (see below), whose sum is σ = 153318315156. Its totient is φ = 51106105050.

The previous prime is 102212210081. The next prime is 102212210123. The reversal of 102212210102 is 201012212201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102212210081) and next prime (102212210123).

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, 25553052524 + ... + 25553052527.

It is an arithmetic number, because the mean of its divisors is an integer number (38329578789).

Almost surely, 2^102212210102 is an apocalyptic number.

102212210102 is a deficient number, since it is larger than the sum of its proper divisors (51106105054).

102212210102 is an equidigital number, since it uses as much as digits as its factorization.

102212210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51106105053.

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

Adding to 102212210102 its reverse (201012212201), we get a palindrome (303224422303).

The spelling of 102212210102 in words is "one hundred two billion, two hundred twelve million, two hundred ten thousand, one hundred two".