2000122001100 has 216 divisors, whose sum is σ = 6431970046320. Its totient is φ = 519684157440.

The previous prime is 2000122001089. The next prime is 2000122001107. The reversal of 2000122001100 is 11002210002.

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 (2000122001107) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5833632 + ... + 6166968.

Almost surely, 2^{2000122001100} is an apocalyptic number.

2000122001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000122001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3215985023160).

2000122001100 is an abundant number, since it is smaller than the sum of its proper divisors (4431848045220).

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

2000122001100 is a wasteful number, since it uses less digits than its factorization.

2000122001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333529 (or 333519 counting only the distinct ones).

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

Adding to 2000122001100 its reverse (11002210002), we get a palindrome (2011124211102).

The spelling of 2000122001100 in words is "two trillion, one hundred twenty-two million, one thousand, one hundred".