2121202200002 has 16 divisors (see below), whose sum is σ = 3191687479032. Its totient is φ = 1057307247360.

The previous prime is 2121202199923. The next prime is 2121202200011. The reversal of 2121202200002 is 2000022021212.

It can be written as a sum of positive squares in 4 ways, for example, as 1186942701961 + 934259498041 = 1089469^2 + 966571^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2121202200002.

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, 4727852 + ... + 5157032.

Almost surely, 2^{2121202200002} is an apocalyptic number.

2121202200002 is a deficient number, since it is larger than the sum of its proper divisors (1070485279030).

2121202200002 is a wasteful number, since it uses less digits than its factorization.

2121202200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436853.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2121202200002 its reverse (2000022021212), we get a palindrome (4121224221214).

The spelling of 2121202200002 in words is "two trillion, one hundred twenty-one billion, two hundred two million, two hundred thousand, two".