2121010122202 has 16 divisors (see below), whose sum is σ = 3383503073280. Its totient is φ = 993725391808.

The previous prime is 2121010122197. The next prime is 2121010122221. The reversal of 2121010122202 is 2022210101212.

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, 137399002 + ... + 137414437.

It is an arithmetic number, because the mean of its divisors is an integer number (211468942080).

Almost surely, 2^{2121010122202} is an apocalyptic number.

2121010122202 is a deficient number, since it is larger than the sum of its proper divisors (1262492951078).

2121010122202 is a wasteful number, since it uses less digits than its factorization.

2121010122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274813685.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2121010122202 its reverse (2022210101212), we get a palindrome (4143220223414).

The spelling of 2121010122202 in words is "two trillion, one hundred twenty-one billion, ten million, one hundred twenty-two thousand, two hundred two".