2121202002202 has 8 divisors (see below), whose sum is σ = 3225389346036. Its totient is φ = 1046072220192.

The previous prime is 2121202002193. The next prime is 2121202002233. The reversal of 2121202002202 is 2022002021212.

It can be written as a sum of positive squares in 2 ways, for example, as 2047077039121 + 74124963081 = 1430761^2 + 272259^2 .

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

It is a super-3 number, since 3×2121202002202³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 7264390273 + ... + 7264390564.

Almost surely, 2^{2121202002202} is an apocalyptic number.

2121202002202 is a deficient number, since it is larger than the sum of its proper divisors (1104187343834).

2121202002202 is a wasteful number, since it uses less digits than its factorization.

2121202002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14528780912.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2121202002202 its reverse (2022002021212), we get a palindrome (4143204023414).

The spelling of 2121202002202 in words is "two trillion, one hundred twenty-one billion, two hundred two million, two thousand, two hundred two".