121001102002 has 8 divisors (see below), whose sum is σ = 198001803312. Its totient is φ = 55000500900.

The previous prime is 121001101981. The next prime is 121001102077. The reversal of 121001102002 is 200201100121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121001102002.

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, 2750025024 + ... + 2750025067.

It is an arithmetic number, because the mean of its divisors is an integer number (24750225414).

Almost surely, 2^121001102002 is an apocalyptic number.

121001102002 is a deficient number, since it is larger than the sum of its proper divisors (77000701310).

121001102002 is a wasteful number, since it uses less digits than its factorization.

121001102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500050104.

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

Adding to 121001102002 its reverse (200201100121), we get a palindrome (321202202123).

The spelling of 121001102002 in words is "one hundred twenty-one billion, one million, one hundred two thousand, two".