200010101001 has 4 divisors (see below), whose sum is σ = 266680134672. Its totient is φ = 133340067332.

The previous prime is 200010100993. The next prime is 200010101009. The reversal of 200010101001 is 100101010002.

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 an interprime number because it is at equal distance from previous prime (200010100993) and next prime (200010101009).

It is a cyclic number.

It is not a de Polignac number, because 200010101001 - 2³ = 200010100993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200010101009) 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, 33335016831 + ... + 33335016836.

It is an arithmetic number, because the mean of its divisors is an integer number (66670033668).

Almost surely, 2^200010101001 is an apocalyptic number.

It is an amenable number.

200010101001 is a deficient number, since it is larger than the sum of its proper divisors (66670033671).

200010101001 is an equidigital number, since it uses as much as digits as its factorization.

200010101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66670033670.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 200010101001 its reverse (100101010002), we get a palindrome (300111111003).

Subtracting from 200010101001 its reverse (100101010002), we obtain a palindrome (99909090999).

The spelling of 200010101001 in words is "two hundred billion, ten million, one hundred one thousand, one".