2000122010100 has 54 divisors (see below), whose sum is σ = 6269271325590. Its totient is φ = 533365869120.

The previous prime is 2000122010099. The next prime is 2000122010149. The reversal of 2000122010100 is 10102210002.

It can be written as a sum of positive squares in 3 ways, for example, as 326317422564 + 1673804587536 = 571242^2 + 1293756^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1111177995 + ... + 1111179794.

Almost surely, 2^{2000122010100} is an apocalyptic number.

2000122010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000122010100 is an abundant number, since it is smaller than the sum of its proper divisors (4269149315490).

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

2000122010100 is a wasteful number, since it uses less digits than its factorization.

2000122010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222357809 (or 2222357799 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2000122010100 its reverse (10102210002), we get a palindrome (2010224220102).

The spelling of 2000122010100 in words is "two trillion, one hundred twenty-two million, ten thousand, one hundred".