2102102101202 has 16 divisors (see below), whose sum is σ = 3192247659480. Its totient is φ = 1038081163392.

The previous prime is 2102102101171. The next prime is 2102102101301. The reversal of 2102102101202 is 2021012012012.

It can be written as a sum of positive squares in 4 ways, for example, as 632166517921 + 1469935583281 = 795089^2 + 1212409^2 .

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, 15335393 + ... + 15471860.

Almost surely, 2^{2102102101202} is an apocalyptic number.

2102102101202 is a deficient number, since it is larger than the sum of its proper divisors (1090145558278).

2102102101202 is a wasteful number, since it uses less digits than its factorization.

2102102101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30807677.

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

Adding to 2102102101202 its reverse (2021012012012), we get a palindrome (4123114113214).

The spelling of 2102102101202 in words is "two trillion, one hundred two billion, one hundred two million, one hundred one thousand, two hundred two".