201121200000002 has 8 divisors (see below), whose sum is σ = 302060321708796. Its totient is φ = 100434426097072.

The previous prime is 201121199999963. The next prime is 201121200000173. The reversal of 201121200000002 is 200000002121102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 174110426498281 + 27010773501721 = 13195091^2 + 5197189^2 .

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, 63086949473 + ... + 63086952660.

Almost surely, 2^{201121200000002} is an apocalyptic number.

201121200000002 is a deficient number, since it is larger than the sum of its proper divisors (100939121708794).

201121200000002 is a wasteful number, since it uses less digits than its factorization.

201121200000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126173902932.

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

Adding to 201121200000002 its reverse (200000002121102), we get a palindrome (401121202121104).

The spelling of 201121200000002 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred million, two", and thus it is an aban number.