1002000100111 has 4 divisors (see below), whose sum is σ = 1002009221224. Its totient is φ = 1001990979000.

The previous prime is 1002000100097. The next prime is 1002000100183. The reversal of 1002000100111 is 1110010002001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002000100111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002000100094 and 1002000100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002000104111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393740 + ... + 4616161.

It is an arithmetic number, because the mean of its divisors is an integer number (250502305306).

Almost surely, 2^{1002000100111} is an apocalyptic number.

1002000100111 is a deficient number, since it is larger than the sum of its proper divisors (9121113).

1002000100111 is an equidigital number, since it uses as much as digits as its factorization.

1002000100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9121112.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1002000100111 its reverse (1110010002001), we get a palindrome (2112010102112).

The spelling of 1002000100111 in words is "one trillion, two billion, one hundred thousand, one hundred eleven".