200121102000101 has 4 divisors (see below), whose sum is σ = 200151510926604. Its totient is φ = 200090693073600.

The previous prime is 200121102000059. The next prime is 200121102000161. The reversal of 200121102000101 is 101000201121002.

200121102000101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80978419437601 + 119142682562500 = 8998801^2 + 10915250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200121102000101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121102000161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15204453380 + ... + 15204466541.

It is an arithmetic number, because the mean of its divisors is an integer number (50037877731651).

Almost surely, 2^{200121102000101} is an apocalyptic number.

It is an amenable number.

200121102000101 is a deficient number, since it is larger than the sum of its proper divisors (30408926503).

200121102000101 is an equidigital number, since it uses as much as digits as its factorization.

200121102000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30408926502.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200121102000101 its reverse (101000201121002), we get a palindrome (301121303121103).

The spelling of 200121102000101 in words is "two hundred trillion, one hundred twenty-one billion, one hundred two million, one hundred one", and thus it is an aban number.