212102211112122 has 8 divisors (see below), whose sum is σ = 424204422224256. Its totient is φ = 70700737037372.

The previous prime is 212102211112079. The next prime is 212102211112133. The reversal of 212102211112122 is 221211112201212.

It is a sphenic number, since it is the product of 3 distinct primes.

212102211112122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17675184259338 + ... + 17675184259349.

It is an arithmetic number, because the mean of its divisors is an integer number (53025552778032).

Almost surely, 2^{212102211112122} is an apocalyptic number.

212102211112122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212102211112122 is a wasteful number, since it uses less digits than its factorization.

212102211112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35350368518692.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212102211112122 its reverse (221211112201212), we get a palindrome (433313323313334).

The spelling of 212102211112122 in words is "two hundred twelve trillion, one hundred two billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-two".