200001211120121 has 32 divisors (see below), whose sum is σ = 213141636345600. Its totient is φ = 187017538590720.

The previous prime is 200001211119973. The next prime is 200001211120267. The reversal of 200001211120121 is 121021112100002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200001211120121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200001211120096 and 200001211120105.

It is not an unprimeable number, because it can be changed into a prime (200001211120421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3617219486 + ... + 3617274776.

It is an arithmetic number, because the mean of its divisors is an integer number (6660676135800).

Almost surely, 2^{200001211120121} is an apocalyptic number.

It is an amenable number.

200001211120121 is a deficient number, since it is larger than the sum of its proper divisors (13140425225479).

200001211120121 is a wasteful number, since it uses less digits than its factorization.

200001211120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57489.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200001211120121 its reverse (121021112100002), we get a palindrome (321022323220123).

The spelling of 200001211120121 in words is "two hundred trillion, one billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-one".