2102000102 has 4 divisors (see below), whose sum is σ = 3153000156. Its totient is φ = 1051000050.

The previous prime is 2102000101. The next prime is 2102000111. The reversal of 2102000102 is 2010002012.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2102000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102000101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525500024 + ... + 525500027.

It is an arithmetic number, because the mean of its divisors is an integer number (788250039).

Almost surely, 2^2102000102 is an apocalyptic number.

2102000102 is a deficient number, since it is larger than the sum of its proper divisors (1051000054).

2102000102 is a wasteful number, since it uses less digits than its factorization.

2102000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051000053.

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

The square root of 2102000102 is about 45847.5746577722. The cubic root of 2102000102 is about 1280.9855897859.

Adding to 2102000102 its reverse (2010002012), we get a palindrome (4112002114).

The spelling of 2102000102 in words is "two billion, one hundred two million, one hundred two", and thus it is an aban number.