121112002 has 16 divisors (see below), whose sum is σ = 199042272. Its totient is φ = 54812320.

The previous prime is 121111999. The next prime is 121112011. The reversal of 121112002 is 200211121.

It is a self number, because there is not a number n which added to its sum of digits gives 121112002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6688 + ... + 16939.

It is an arithmetic number, because the mean of its divisors is an integer number (12440142).

Almost surely, 2^121112002 is an apocalyptic number.

121112002 is a deficient number, since it is larger than the sum of its proper divisors (77930270).

121112002 is a wasteful number, since it uses less digits than its factorization.

121112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23873.

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

The square root of 121112002 is about 11005.0898224413. The cubic root of 121112002 is about 494.7613065420.

Adding to 121112002 its reverse (200211121), we get a palindrome (321323123).

The spelling of 121112002 in words is "one hundred twenty-one million, one hundred twelve thousand, two".