121210110102 has 8 divisors (see below), whose sum is σ = 242420220216. Its totient is φ = 40403370032.

The previous prime is 121210110083. The next prime is 121210110113. The reversal of 121210110102 is 201011012121.

It is a sphenic number, since it is the product of 3 distinct primes.

121210110102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100842503 + ... + 10100842514.

It is an arithmetic number, because the mean of its divisors is an integer number (30302527527).

Almost surely, 2^121210110102 is an apocalyptic number.

121210110102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121210110102 is a wasteful number, since it uses less digits than its factorization.

121210110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201685022.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121210110102 its reverse (201011012121), we get a palindrome (322221122223).

The spelling of 121210110102 in words is "one hundred twenty-one billion, two hundred ten million, one hundred ten thousand, one hundred two".