121110012002 has 64 divisors (see below), whose sum is σ = 227750400000. Its totient is φ = 48126019536.

The previous prime is 121110011999. The next prime is 121110012041. The reversal of 121110012002 is 200210011121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513749 + ... + 711447.

It is an arithmetic number, because the mean of its divisors is an integer number (3558600000).

Almost surely, 2^121110012002 is an apocalyptic number.

121110012002 is a deficient number, since it is larger than the sum of its proper divisors (106640387998).

121110012002 is a wasteful number, since it uses less digits than its factorization.

121110012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197788 (or 197774 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121110012002 its reverse (200210011121), we get a palindrome (321320023123).

The spelling of 121110012002 in words is "one hundred twenty-one billion, one hundred ten million, twelve thousand, two".