2116345100 has 36 divisors (see below), whose sum is σ = 4615590000. Its totient is φ = 842276160.

The previous prime is 2116345087. The next prime is 2116345111. The reversal of 2116345100 is 15436112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33275 + ... + 73074.

Almost surely, 2^2116345100 is an apocalyptic number.

2116345100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116345100 is an abundant number, since it is smaller than the sum of its proper divisors (2499244900).

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

2116345100 is a wasteful number, since it uses less digits than its factorization.

2116345100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106562 (or 106555 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2116345100 is about 46003.7509340271. The cubic root of 2116345100 is about 1283.8929940296.

The spelling of 2116345100 in words is "two billion, one hundred sixteen million, three hundred forty-five thousand, one hundred".