201121202002 has 16 divisors (see below), whose sum is σ = 344785049280. Its totient is φ = 86193339408.

The previous prime is 201121201993. The next prime is 201121202039. The reversal of 201121202002 is 200202121102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330953 + ... + 1474339.

It is an arithmetic number, because the mean of its divisors is an integer number (21549065580).

Almost surely, 2^201121202002 is an apocalyptic number.

201121202002 is a deficient number, since it is larger than the sum of its proper divisors (143663847278).

201121202002 is a wasteful number, since it uses less digits than its factorization.

201121202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243585.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201121202002 its reverse (200202121102), we get a palindrome (401323323104).

The spelling of 201121202002 in words is "two hundred one billion, one hundred twenty-one million, two hundred two thousand, two".