201000010211001 has 24 divisors (see below), whose sum is σ = 294750468277824. Its totient is φ = 131962473324000.

The previous prime is 201000010210991. The next prime is 201000010211053. The reversal of 201000010211001 is 100112010000102.

It is a happy number.

It is not a de Polignac number, because 201000010211001 - 2²³ = 201000001822393 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201000010211071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45268125 + ... + 49509626.

It is an arithmetic number, because the mean of its divisors is an integer number (12281269511576).

Almost surely, 2^{201000010211001} is an apocalyptic number.

It is an amenable number.

201000010211001 is a deficient number, since it is larger than the sum of its proper divisors (93750458066823).

201000010211001 is a wasteful number, since it uses less digits than its factorization.

201000010211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94781341 (or 94781338 counting only the distinct ones).

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

Adding to 201000010211001 its reverse (100112010000102), we get a palindrome (301112020211103).

The spelling of 201000010211001 in words is "two hundred one trillion, ten million, two hundred eleven thousand, one".