22112003302121 has 2 divisors, whose sum is σ = 22112003302122. Its totient is φ = 22112003302120.

The previous prime is 22112003302099. The next prime is 22112003302163. The reversal of 22112003302121 is 12120330021122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22061855970025 + 50147332096 = 4697005^2 + 223936^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112003302121 - 2²² = 22111999107817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22112003302093 and 22112003302102.

It is not a weakly prime, because it can be changed into another prime (22112003302021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056001651060 + 11056001651061.

It is an arithmetic number, because the mean of its divisors is an integer number (11056001651061).

Almost surely, 2^{22112003302121} is an apocalyptic number.

It is an amenable number.

22112003302121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112003302121 is an equidigital number, since it uses as much as digits as its factorization.

22112003302121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22112003302121 its reverse (12120330021122), we get a palindrome (34232333323243).

The spelling of 22112003302121 in words is "twenty-two trillion, one hundred twelve billion, three million, three hundred two thousand, one hundred twenty-one".