121120002002 has 8 divisors (see below), whose sum is σ = 182069040816. Its totient is φ = 60430321732.

The previous prime is 121120001971. The next prime is 121120002037. The reversal of 121120002002 is 200200021121.

It is a happy number.

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, 64838468 + ... + 64840335.

It is an arithmetic number, because the mean of its divisors is an integer number (22758630102).

Almost surely, 2^121120002002 is an apocalyptic number.

121120002002 is a deficient number, since it is larger than the sum of its proper divisors (60949038814).

121120002002 is a wasteful number, since it uses less digits than its factorization.

121120002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129679272.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121120002002 its reverse (200200021121), we get a palindrome (321320023123).

The spelling of 121120002002 in words is "one hundred twenty-one billion, one hundred twenty million, two thousand, two".