200110001201001 has 32 divisors (see below), whose sum is σ = 298627674307200. Its totient is φ = 132430910699520.

The previous prime is 200110001200981. The next prime is 200110001201003. The reversal of 200110001201001 is 100102100011002.

It is a happy number.

It is not a de Polignac number, because 200110001201001 - 2³¹ = 200107853717353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200110001201003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270882505 + ... + 271620233.

It is an arithmetic number, because the mean of its divisors is an integer number (9332114822100).

Almost surely, 2^{200110001201001} is an apocalyptic number.

It is an amenable number.

200110001201001 is a deficient number, since it is larger than the sum of its proper divisors (98517673106199).

200110001201001 is a wasteful number, since it uses less digits than its factorization.

200110001201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811206 (or 811200 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200110001201001 its reverse (100102100011002), we get a palindrome (300212101212003).

The spelling of 200110001201001 in words is "two hundred trillion, one hundred ten billion, one million, two hundred one thousand, one".