2100111002 has 48 divisors (see below), whose sum is σ = 3784957632. Its totient is φ = 864959040.

The previous prime is 2100110993. The next prime is 2100111007. The reversal of 2100111002 is 2001110012.

It is not an unprimeable number, because it can be changed into a prime (2100111007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176918 + ... + 188414.

It is an arithmetic number, because the mean of its divisors is an integer number (78853284).

Almost surely, 2^2100111002 is an apocalyptic number.

2100111002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100111002 is a deficient number, since it is larger than the sum of its proper divisors (1684846630).

2100111002 is a wasteful number, since it uses less digits than its factorization.

2100111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571 (or 11552 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2100111002 is about 45826.9680646669. The cubic root of 2100111002 is about 1280.6017275818.

Adding to 2100111002 its reverse (2001110012), we get a palindrome (4101221014).

The spelling of 2100111002 in words is "two billion, one hundred million, one hundred eleven thousand, two".