212121112002202 has 32 divisors (see below), whose sum is σ = 360896957834112. Its totient is φ = 92770249687104.

The previous prime is 212121112002157. The next prime is 212121112002211. The reversal of 212121112002202 is 202200211121212.

It is a self number, because there is not a number n which added to its sum of digits gives 212121112002202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657494793 + ... + 1657622764.

It is an arithmetic number, because the mean of its divisors is an integer number (11278029932316).

Almost surely, 2^{212121112002202} is an apocalyptic number.

212121112002202 is a deficient number, since it is larger than the sum of its proper divisors (148775845831910).

212121112002202 is a wasteful number, since it uses less digits than its factorization.

212121112002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315117702.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212121112002202 its reverse (202200211121212), we get a palindrome (414321323123414).

The spelling of 212121112002202 in words is "two hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, two thousand, two hundred two".