121112102002 has 16 divisors (see below), whose sum is σ = 191277646560. Its totient is φ = 57354486912.

The previous prime is 121112101937. The next prime is 121112102009. The reversal of 121112102002 is 200201211121.

It is not an unprimeable number, because it can be changed into a prime (121112102009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245983 + ... + 550210.

It is an arithmetic number, because the mean of its divisors is an integer number (11954852910).

Almost surely, 2^121112102002 is an apocalyptic number.

121112102002 is a deficient number, since it is larger than the sum of its proper divisors (70165544558).

121112102002 is a wasteful number, since it uses less digits than its factorization.

121112102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800217.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121112102002 its reverse (200201211121), we get a palindrome (321313313123).

The spelling of 121112102002 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred two thousand, two".