2100001111107 has 4 divisors (see below), whose sum is σ = 2800001481480. Its totient is φ = 1400000740736.

The previous prime is 2100001111099. The next prime is 2100001111211. The reversal of 2100001111107 is 7011111000012.

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 2100001111107 - 2³ = 2100001111099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100001112107) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 350000185182 + ... + 350000185187.

It is an arithmetic number, because the mean of its divisors is an integer number (700000370370).

Almost surely, 2^{2100001111107} is an apocalyptic number.

2100001111107 is a deficient number, since it is larger than the sum of its proper divisors (700000370373).

2100001111107 is an equidigital number, since it uses as much as digits as its factorization.

2100001111107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700000370372.

The product of its (nonzero) digits is 14, while the sum is 15.

Adding to 2100001111107 its reverse (7011111000012), we get a palindrome (9111112111119).

The spelling of 2100001111107 in words is "two trillion, one hundred billion, one million, one hundred eleven thousand, one hundred seven".