200101310021 has 4 divisors (see below), whose sum is σ = 200578879200. Its totient is φ = 199623740844.

The previous prime is 200101309973. The next prime is 200101310033. The reversal of 200101310021 is 120013101002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200101310021 - 2⁶ = 200101309957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101309984 and 200101310011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101310821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238783961 + ... + 238784798.

It is an arithmetic number, because the mean of its divisors is an integer number (50144719800).

Almost surely, 2^200101310021 is an apocalyptic number.

It is an amenable number.

200101310021 is a deficient number, since it is larger than the sum of its proper divisors (477569179).

200101310021 is an equidigital number, since it uses as much as digits as its factorization.

200101310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477569178.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 200101310021 its reverse (120013101002), we get a palindrome (320114411023).

The spelling of 200101310021 in words is "two hundred billion, one hundred one million, three hundred ten thousand, twenty-one".