2002123001100 has 36 divisors (see below), whose sum is σ = 5792809217384. Its totient is φ = 533899466880.

The previous prime is 2002123001069. The next prime is 2002123001101. The reversal of 2002123001100 is 11003212002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2002123001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3336871369 + ... + 3336871968.

Almost surely, 2^{2002123001100} is an apocalyptic number.

2002123001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002123001100 is an abundant number, since it is smaller than the sum of its proper divisors (3790686216284).

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

2002123001100 is a wasteful number, since it uses less digits than its factorization.

2002123001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673743354 (or 6673743347 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2002123001100 its reverse (11003212002), we get a palindrome (2013126213102).

The spelling of 2002123001100 in words is "two trillion, two billion, one hundred twenty-three million, one thousand, one hundred".