121110002002 has 16 divisors (see below), whose sum is σ = 198186904224. Its totient is φ = 55048084000.

The previous prime is 121110001963. The next prime is 121110002017. The reversal of 121110002002 is 200200011121.

It is a self number, because there is not a number n which added to its sum of digits gives 121110002002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695502 + ... + 852022.

It is an arithmetic number, because the mean of its divisors is an integer number (12386681514).

Almost surely, 2^121110002002 is an apocalyptic number.

121110002002 is a deficient number, since it is larger than the sum of its proper divisors (77076902222).

121110002002 is a wasteful number, since it uses less digits than its factorization.

121110002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191705.

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

Adding to 121110002002 its reverse (200200011121), we get a palindrome (321310013123).

The spelling of 121110002002 in words is "one hundred twenty-one billion, one hundred ten million, two thousand, two".