200101112021001 has 4 divisors (see below), whose sum is σ = 266801482694672. Its totient is φ = 133400741347332.

The previous prime is 200101112020967. The next prime is 200101112021011. The reversal of 200101112021001 is 100120211101002.

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 not a de Polignac number, because 200101112021001 - 2⁶ = 200101112020937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200101112021011) 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, 33350185336831 + ... + 33350185336836.

It is an arithmetic number, because the mean of its divisors is an integer number (66700370673668).

Almost surely, 2^{200101112021001} is an apocalyptic number.

It is an amenable number.

200101112021001 is a deficient number, since it is larger than the sum of its proper divisors (66700370673671).

200101112021001 is an equidigital number, since it uses as much as digits as its factorization.

200101112021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66700370673670.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 200101112021001 its reverse (100120211101002), we get a palindrome (300221323122003).

The spelling of 200101112021001 in words is "two hundred trillion, one hundred one billion, one hundred twelve million, twenty-one thousand, one".