200100001011001 has 64 divisors (see below), whose sum is σ = 261879856268800. Its totient is φ = 148462964729856.

The previous prime is 200100001010999. The next prime is 200100001011013. The reversal of 200100001011001 is 100110100001002.

It is not a de Polignac number, because 200100001011001 - 2¹ = 200100001010999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (200100001071001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 187363141 + ... + 188428093.

It is an arithmetic number, because the mean of its divisors is an integer number (4091872754200).

Almost surely, 2^{200100001011001} is an apocalyptic number.

It is an amenable number.

200100001011001 is a deficient number, since it is larger than the sum of its proper divisors (61779855257799).

200100001011001 is a wasteful number, since it uses less digits than its factorization.

200100001011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066098.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 200100001011001 its reverse (100110100001002), we get a palindrome (300210101012003).

The spelling of 200100001011001 in words is "two hundred trillion, one hundred billion, one million, eleven thousand, one".