8102100002 has 16 divisors (see below), whose sum is σ = 12187379232. Its totient is φ = 4039654080.

The previous prime is 8102099981. The next prime is 8102100043. The reversal of 8102100002 is 2000012018.

It is a self number, because there is not a number n which added to its sum of digits gives 8102100002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742693 + ... + 1747335.

It is an arithmetic number, because the mean of its divisors is an integer number (761711202).

Almost surely, 2^8102100002 is an apocalyptic number.

8102100002 is a deficient number, since it is larger than the sum of its proper divisors (4085279230).

8102100002 is a wasteful number, since it uses less digits than its factorization.

8102100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 8102100002 is about 90011.6659217015. The cubic root of 8102100002 is about 2008.4723921060.

The spelling of 8102100002 in words is "eight billion, one hundred two million, one hundred thousand, two".