2102110010002 has 4 divisors (see below), whose sum is σ = 3153165015006. Its totient is φ = 1051055005000.

The previous prime is 2102110009939. The next prime is 2102110010003. The reversal of 2102110010002 is 2000100112012.

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

It can be written as a sum of positive squares in only one way, i.e., 1988238182401 + 113871827601 = 1410049^2 + 337449^2 .

It is not an unprimeable number, because it can be changed into a prime (2102110010003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525527502499 + ... + 525527502502.

Almost surely, 2^{2102110010002} is an apocalyptic number.

2102110010002 is a deficient number, since it is larger than the sum of its proper divisors (1051055005004).

2102110010002 is a wasteful number, since it uses less digits than its factorization.

2102110010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051055005003.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2102110010002 its reverse (2000100112012), we get a palindrome (4102210122014).

The spelling of 2102110010002 in words is "two trillion, one hundred two billion, one hundred ten million, ten thousand, two".