200101111110001 has 4 divisors (see below), whose sum is σ = 202082310230004. Its totient is φ = 198119911990000.

The previous prime is 200101111109993. The next prime is 200101111110011. The reversal of 200101111110001 is 100011111101002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197765718926400 + 2335392183601 = 14062920^2 + 1528199^2 .

It is a cyclic number.

It is not a de Polignac number, because 200101111110001 - 2³ = 200101111109993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200101111110001.

It is not an unprimeable number, because it can be changed into a prime (200101111110011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990599559850 + ... + 990599560051.

It is an arithmetic number, because the mean of its divisors is an integer number (50520577557501).

Almost surely, 2^{200101111110001} is an apocalyptic number.

It is an amenable number.

200101111110001 is a deficient number, since it is larger than the sum of its proper divisors (1981199120003).

200101111110001 is a wasteful number, since it uses less digits than its factorization.

200101111110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981199120002.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 200101111110001 its reverse (100011111101002), we get a palindrome (300112222211003).

The spelling of 200101111110001 in words is "two hundred trillion, one hundred one billion, one hundred eleven million, one hundred ten thousand, one".