201121200002 has 8 divisors (see below), whose sum is σ = 309039892812. Its totient is φ = 98107902400.

The previous prime is 201121199989. The next prime is 201121200011. The reversal of 201121200002 is 200002121102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 200409324241 + 711875761 = 447671^2 + 26681^2 .

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, 1226348699 + ... + 1226348862.

Almost surely, 2^201121200002 is an apocalyptic number.

201121200002 is a deficient number, since it is larger than the sum of its proper divisors (107918692810).

201121200002 is a wasteful number, since it uses less digits than its factorization.

201121200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452697604.

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

Adding to 201121200002 its reverse (200002121102), we get a palindrome (401123321104).

The spelling of 201121200002 in words is "two hundred one billion, one hundred twenty-one million, two hundred thousand, two".