22354246121 has 2 divisors, whose sum is σ = 22354246122. Its totient is φ = 22354246120.

The previous prime is 22354246099. The next prime is 22354246129. The reversal of 22354246121 is 12164245322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17015898025 + 5338348096 = 130445^2 + 73064^2 .

It is a cyclic number.

It is not a de Polignac number, because 22354246121 - 2¹⁰ = 22354245097 is a prime.

It is not a weakly prime, because it can be changed into another prime (22354246129) 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, 11177123060 + 11177123061.

It is an arithmetic number, because the mean of its divisors is an integer number (11177123061).

Almost surely, 2^22354246121 is an apocalyptic number.

It is an amenable number.

22354246121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22354246121 is an equidigital number, since it uses as much as digits as its factorization.

22354246121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

The spelling of 22354246121 in words is "twenty-two billion, three hundred fifty-four million, two hundred forty-six thousand, one hundred twenty-one".