2100001111110 has 128 divisors (see below), whose sum is σ = 6400570291200. Its totient is φ = 479957736960.

The previous prime is 2100001111099. The next prime is 2100001111211. The reversal of 2100001111110 is 111111000012.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2100001111092 and 2100001111101.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 24544305 + ... + 24629715.

It is an arithmetic number, because the mean of its divisors is an integer number (50004455400).

Almost surely, 2^{2100001111110} is an apocalyptic number.

2100001111110 is an abundant number, since it is smaller than the sum of its proper divisors (4300569180090).

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

2100001111110 is a wasteful number, since it uses less digits than its factorization.

2100001111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98443 (or 98437 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 2100001111110 its reverse (111111000012), we get a palindrome (2211112111122).

The spelling of 2100001111110 in words is "two trillion, one hundred billion, one million, one hundred eleven thousand, one hundred ten".