2100100116 has 24 divisors (see below), whose sum is σ = 4907665504. Its totient is φ = 698971680.

The previous prime is 2100100109. The next prime is 2100100127. The reversal of 2100100116 is 6110010012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 124450 + ... + 140313.

Almost surely, 2^2100100116 is an apocalyptic number.

It is an amenable number.

2100100116 is an abundant number, since it is smaller than the sum of its proper divisors (2807565388).

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

2100100116 is a wasteful number, since it uses less digits than its factorization.

2100100116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265431 (or 265429 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2100100116 is about 45826.8492916543. The cubic root of 2100100116 is about 1280.5995148964.

Adding to 2100100116 its reverse (6110010012), we get a palindrome (8210110128).

The spelling of 2100100116 in words is "two billion, one hundred million, one hundred thousand, one hundred sixteen".