200120121001211 has 16 divisors (see below), whose sum is σ = 201990362272608. Its totient is φ = 198259331961600.

The previous prime is 200120121001181. The next prime is 200120121001247. The reversal of 200120121001211 is 112100121021002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200120121001211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200120121001711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67190471 + ... + 70105631.

It is an arithmetic number, because the mean of its divisors is an integer number (12624397642038).

Almost surely, 2^{200120121001211} is an apocalyptic number.

200120121001211 is a deficient number, since it is larger than the sum of its proper divisors (1870241271397).

200120121001211 is a wasteful number, since it uses less digits than its factorization.

200120121001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916782.

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

Adding to 200120121001211 its reverse (112100121021002), we get a palindrome (312220242022213).

The spelling of 200120121001211 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty-one million, one thousand, two hundred eleven".