200001121301021 has 8 divisors (see below), whose sum is σ = 200153808993600. Its totient is φ = 199848435212320.

The previous prime is 200001121301017. The next prime is 200001121301027. The reversal of 200001121301021 is 120103121100002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200001121301021 - 2² = 200001121301017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200001121300987 and 200001121301005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001121301027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405320870 + ... + 405814008.

It is an arithmetic number, because the mean of its divisors is an integer number (25019226124200).

Almost surely, 2^{200001121301021} is an apocalyptic number.

It is an amenable number.

200001121301021 is a deficient number, since it is larger than the sum of its proper divisors (152687692579).

200001121301021 is a wasteful number, since it uses less digits than its factorization.

200001121301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801939.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 200001121301021 its reverse (120103121100002), we get a palindrome (320104242401023).

The spelling of 200001121301021 in words is "two hundred trillion, one billion, one hundred twenty-one million, three hundred one thousand, twenty-one".