22212120210193 has 2 divisors, whose sum is σ = 22212120210194. Its totient is φ = 22212120210192.

The previous prime is 22212120210191. The next prime is 22212120210221. The reversal of 22212120210193 is 39101202121222.

It is an a-pointer prime, because the next prime (22212120210221) can be obtained adding 22212120210193 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17627091562369 + 4585028647824 = 4198463^2 + 2141268^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212120210193 - 2¹ = 22212120210191 is a prime.

Together with 22212120210191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22212120210191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106060105096 + 11106060105097.

It is an arithmetic number, because the mean of its divisors is an integer number (11106060105097).

Almost surely, 2^{22212120210193} is an apocalyptic number.

It is an amenable number.

22212120210193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212120210193 is an equidigital number, since it uses as much as digits as its factorization.

22212120210193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 22212120210193 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty million, two hundred ten thousand, one hundred ninety-three".