201000100002 has 16 divisors (see below), whose sum is σ = 432923292480. Its totient is φ = 61846184592.

The previous prime is 201000099991. The next prime is 201000100003. The reversal of 201000100002 is 200001000102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (201000100003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288462102 + ... + 1288462257.

It is an arithmetic number, because the mean of its divisors is an integer number (27057705780).

Almost surely, 2^201000100002 is an apocalyptic number.

201000100002 is an abundant number, since it is smaller than the sum of its proper divisors (231923192478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201000100002 is a wasteful number, since it uses less digits than its factorization.

201000100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576924377.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 201000100002 its reverse (200001000102), we get a palindrome (401001100104).

The spelling of 201000100002 in words is "two hundred one billion, one hundred thousand, two".