121010210102 has 8 divisors (see below), whose sum is σ = 182314942776. Its totient is φ = 60238562512.

The previous prime is 121010210071. The next prime is 121010210107. The reversal of 121010210102 is 201012010121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010210107) by changing a digit.

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, 133270703 + ... + 133271610.

It is an arithmetic number, because the mean of its divisors is an integer number (22789367847).

Almost surely, 2^121010210102 is an apocalyptic number.

121010210102 is a deficient number, since it is larger than the sum of its proper divisors (61304732674).

121010210102 is a wasteful number, since it uses less digits than its factorization.

121010210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266542542.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121010210102 its reverse (201012010121), we get a palindrome (322022220223).

The spelling of 121010210102 in words is "one hundred twenty-one billion, ten million, two hundred ten thousand, one hundred two".