2121013303202 has 4 divisors (see below), whose sum is σ = 3181519954806. Its totient is φ = 1060506651600.

The previous prime is 2121013303181. The next prime is 2121013303271. The reversal of 2121013303202 is 2023033101212.

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., 1920910068961 + 200103234241 = 1385969^2 + 447329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530253325799 + ... + 530253325802.

Almost surely, 2^{2121013303202} is an apocalyptic number.

2121013303202 is a deficient number, since it is larger than the sum of its proper divisors (1060506651604).

2121013303202 is a wasteful number, since it uses less digits than its factorization.

2121013303202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060506651603.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2121013303202 its reverse (2023033101212), we get a palindrome (4144046404414).

The spelling of 2121013303202 in words is "two trillion, one hundred twenty-one billion, thirteen million, three hundred three thousand, two hundred two".