212221122112122 has 8 divisors (see below), whose sum is σ = 424442244224256. Its totient is φ = 70740374037372.

The previous prime is 212221122112093. The next prime is 212221122112157. The reversal of 212221122112122 is 221211221122212.

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

212221122112122 is an admirable number.

It is a super-3 number, since 3×212221122112122³ (a number of 44 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 212221122112092 and 212221122112101.

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, 17685093509338 + ... + 17685093509349.

It is an arithmetic number, because the mean of its divisors is an integer number (53055280528032).

Almost surely, 2^{212221122112122} is an apocalyptic number.

212221122112122 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.

212221122112122 is a wasteful number, since it uses less digits than its factorization.

212221122112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35370187018692.

The product of its digits is 512, while the sum is 24.

Adding to 212221122112122 its reverse (221211221122212), we get a palindrome (433432343234334).

The spelling of 212221122112122 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-two".