200121331003001 has 8 divisors (see below), whose sum is σ = 202033316333640. Its totient is φ = 198210727669248.

The previous prime is 200121331002899. The next prime is 200121331003067. The reversal of 200121331003001 is 100300133121002.

It can be written as a sum of positive squares in 4 ways, for example, as 38747500113001 + 161373830890000 = 6224749^2 + 12703300^2 .

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 200121331003001 - 2³⁸ = 199846453096057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121331903001) 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, 345208226 + ... + 345787451.

It is an arithmetic number, because the mean of its divisors is an integer number (25254164541705).

Almost surely, 2^{200121331003001} is an apocalyptic number.

It is an amenable number.

200121331003001 is a deficient number, since it is larger than the sum of its proper divisors (1911985330639).

200121331003001 is a wasteful number, since it uses less digits than its factorization.

200121331003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690998443.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 200121331003001 its reverse (100300133121002), we get a palindrome (300421464124003).

The spelling of 200121331003001 in words is "two hundred trillion, one hundred twenty-one billion, three hundred thirty-one million, three thousand, one".