121202202102002 has 32 divisors (see below), whose sum is σ = 214072509516672. Its totient is φ = 50378444947584.

The previous prime is 121202202102001. The next prime is 121202202102017. The reversal of 121202202102002 is 200201202202121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121202202102001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373609568 + ... + 373933835.

It is an arithmetic number, because the mean of its divisors is an integer number (6689765922396).

Almost surely, 2^{121202202102002} is an apocalyptic number.

121202202102002 is a deficient number, since it is larger than the sum of its proper divisors (92870307414670).

121202202102002 is a wasteful number, since it uses less digits than its factorization.

121202202102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747543762.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121202202102002 its reverse (200201202202121), we get a palindrome (321403404304123).

The spelling of 121202202102002 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred two million, one hundred two thousand, two".