121020002 has 8 divisors (see below), whose sum is σ = 182644176. Its totient is φ = 60138612.

The previous prime is 121019999. The next prime is 121020019. The reversal of 121020002 is 200020121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185288 + ... + 185939.

It is an arithmetic number, because the mean of its divisors is an integer number (22830522).

Almost surely, 2^121020002 is an apocalyptic number.

121020002 is a deficient number, since it is larger than the sum of its proper divisors (61624174).

121020002 is a wasteful number, since it uses less digits than its factorization.

121020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371392.

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

The square root of 121020002 is about 11000.9091442480. The cubic root of 121020002 is about 494.6359967189.

Adding to 121020002 its reverse (200020121), we get a palindrome (321040123).

It can be divided in two parts, 1210 and 20002, that added together give a palindrome (21212).

The spelling of 121020002 in words is "one hundred twenty-one million, twenty thousand, two".