2000021100107 has 4 divisors (see below), whose sum is σ = 2000531443680. Its totient is φ = 1999510756536.

The previous prime is 2000021100083. The next prime is 2000021100127. The reversal of 2000021100107 is 7010011200002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2000021100107 - 2²⁰ = 2000020051531 is a prime.

It is a super-2 number, since 2×2000021100107² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000021100091 and 2000021100100.

It is not an unprimeable number, because it can be changed into a prime (2000021100127) 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 3 ways as a sum of consecutive naturals, for example, 255165908 + ... + 255173745.

It is an arithmetic number, because the mean of its divisors is an integer number (500132860920).

Almost surely, 2^{2000021100107} is an apocalyptic number.

2000021100107 is a deficient number, since it is larger than the sum of its proper divisors (510343573).

2000021100107 is an equidigital number, since it uses as much as digits as its factorization.

2000021100107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510343572.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 2000021100107 its reverse (7010011200002), we get a palindrome (9010032300109).

The spelling of 2000021100107 in words is "two trillion, twenty-one million, one hundred thousand, one hundred seven".