2106202021602 has 16 divisors (see below), whose sum is σ = 4814176049472. Its totient is φ = 601772006160.

The previous prime is 2106202021579. The next prime is 2106202021619. The reversal of 2106202021602 is 2061202026012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25073833549 + ... + 25073833632.

It is an arithmetic number, because the mean of its divisors is an integer number (300886003092).

Almost surely, 2^{2106202021602} is an apocalyptic number.

2106202021602 is an abundant number, since it is smaller than the sum of its proper divisors (2707974027870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2106202021602 is a wasteful number, since it uses less digits than its factorization.

2106202021602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50147667193.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2106202021602 its reverse (2061202026012), we get a palindrome (4167404047614).

The spelling of 2106202021602 in words is "two trillion, one hundred six billion, two hundred two million, twenty-one thousand, six hundred two".