121012102 has 8 divisors (see below), whose sum is σ = 191071800. Its totient is φ = 57321504.

The previous prime is 121012081. The next prime is 121012109. The reversal of 121012102 is 201210121.

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 (121012109) 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, 1592227 + ... + 1592302.

It is an arithmetic number, because the mean of its divisors is an integer number (23883975).

Almost surely, 2^121012102 is an apocalyptic number.

121012102 is a deficient number, since it is larger than the sum of its proper divisors (70059698).

121012102 is a wasteful number, since it uses less digits than its factorization.

121012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184550.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 121012102 is about 11000.5500771552. The cubic root of 121012102 is about 494.6252334584.

Adding to 121012102 its reverse (201210121), we get a palindrome (322222223).

The spelling of 121012102 in words is "one hundred twenty-one million, twelve thousand, one hundred two".