2121012030202 has 8 divisors (see below), whose sum is σ = 3426250202676. Its totient is φ = 978928629312.

The previous prime is 2121012030199. The next prime is 2121012030307. The reversal of 2121012030202 is 2020302101212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1955240093401 + 165771936801 = 1398299^2 + 407151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40788692863 + ... + 40788692914.

Almost surely, 2^{2121012030202} is an apocalyptic number.

2121012030202 is a deficient number, since it is larger than the sum of its proper divisors (1305238172474).

2121012030202 is a wasteful number, since it uses less digits than its factorization.

2121012030202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81577385792.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2121012030202 its reverse (2020302101212), we get a palindrome (4141314131414).

The spelling of 2121012030202 in words is "two trillion, one hundred twenty-one billion, twelve million, thirty thousand, two hundred two".