2000001010100 has 36 divisors (see below), whose sum is σ = 4340220710700. Its totient is φ = 799960124160.

The previous prime is 2000001010087. The next prime is 2000001010129. The reversal of 2000001010100 is 10101000002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 73118323216 + 1926882686884 = 270404^2 + 1388122^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1533536 + ... + 2520264.

Almost surely, 2^{2000001010100} is an apocalyptic number.

2000001010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000001010100 is an abundant number, since it is smaller than the sum of its proper divisors (2340219700600).

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

2000001010100 is a wasteful number, since it uses less digits than its factorization.

2000001010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007012 (or 1007005 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 2000001010100 its reverse (10101000002), we get a palindrome (2010102010102).

The spelling of 2000001010100 in words is "two trillion, one million, ten thousand, one hundred".