201121102002 has 32 divisors (see below), whose sum is σ = 423529067520. Its totient is φ = 63494493840.

The previous prime is 201121101991. The next prime is 201121102069. The reversal of 201121102002 is 200201121102.

201121102002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178203 + ... + 658785.

It is an arithmetic number, because the mean of its divisors is an integer number (13235283360).

Almost surely, 2^201121102002 is an apocalyptic number.

201121102002 is an abundant number, since it is smaller than the sum of its proper divisors (222407965518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121102002 is a wasteful number, since it uses less digits than its factorization.

201121102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484278.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201121102002 its reverse (200201121102), we get a palindrome (401322223104).

The spelling of 201121102002 in words is "two hundred one billion, one hundred twenty-one million, one hundred two thousand, two".