2111210202212 has 24 divisors (see below), whose sum is σ = 3719547027000. Its totient is φ = 1048482987776.

The previous prime is 2111210202203. The next prime is 2111210202263. The reversal of 2111210202212 is 2122020121112.

It can be written as a sum of positive squares in 4 ways, for example, as 149238506596 + 1961971695616 = 386314^2 + 1400704^2 .

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, 24756398 + ... + 24841530.

It is an arithmetic number, because the mean of its divisors is an integer number (154981126125).

Almost surely, 2^{2111210202212} is an apocalyptic number.

It is an amenable number.

2111210202212 is a deficient number, since it is larger than the sum of its proper divisors (1608336824788).

2111210202212 is a wasteful number, since it uses less digits than its factorization.

2111210202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126895 (or 126893 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2111210202212 its reverse (2122020121112), we get a palindrome (4233230323324).

The spelling of 2111210202212 in words is "two trillion, one hundred eleven billion, two hundred ten million, two hundred two thousand, two hundred twelve".