111210202122212 has 96 divisors (see below), whose sum is σ = 210783014830080. Its totient is φ = 51169375918080.

The previous prime is 111210202122161. The next prime is 111210202122247. The reversal of 111210202122212 is 212221202012111.

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 31 ways as a sum of consecutive naturals, for example, 2351292548 + ... + 2351339844.

It is an arithmetic number, because the mean of its divisors is an integer number (2195656404480).

Almost surely, 2^{111210202122212} is an apocalyptic number.

It is an amenable number.

111210202122212 is a deficient number, since it is larger than the sum of its proper divisors (99572812707868).

111210202122212 is a wasteful number, since it uses less digits than its factorization.

111210202122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51321 (or 51319 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111210202122212 its reverse (212221202012111), we get a palindrome (323431404134323).

The spelling of 111210202122212 in words is "one hundred eleven trillion, two hundred ten billion, two hundred two million, one hundred twenty-two thousand, two hundred twelve".