2100002102 has 32 divisors (see below), whose sum is σ = 3459456000. Its totient is φ = 948160800.

The previous prime is 2100002089. The next prime is 2100002117. The reversal of 2100002102 is 2012000012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100002102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3677477 + ... + 3678047.

It is an arithmetic number, because the mean of its divisors is an integer number (108108000).

Almost surely, 2^2100002102 is an apocalyptic number.

2100002102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100002102 is a deficient number, since it is larger than the sum of its proper divisors (1359453898).

2100002102 is a wasteful number, since it uses less digits than its factorization.

2100002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

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

The square root of 2100002102 is about 45825.7798842529. The cubic root of 2100002102 is about 1280.5795922536.

Adding to 2100002102 its reverse (2012000012), we get a palindrome (4112002114).

The spelling of 2100002102 in words is "two billion, one hundred million, two thousand, one hundred two".