212112121020110 has 16 divisors (see below), whose sum is σ = 381810870536400. Its totient is φ = 84842836696896.

The previous prime is 212112121020073. The next prime is 212112121020131. The reversal of 212112121020110 is 11020121211212.

It is a congruent 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, 251021015 + ... + 251864594.

It is an arithmetic number, because the mean of its divisors is an integer number (23863179408525).

Almost surely, 2^{212112121020110} is an apocalyptic number.

212112121020110 is a deficient number, since it is larger than the sum of its proper divisors (169698749516290).

212112121020110 is a wasteful number, since it uses less digits than its factorization.

212112121020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502927795.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212112121020110 its reverse (11020121211212), we get a palindrome (223132242231322).

The spelling of 212112121020110 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, twenty thousand, one hundred ten".