1022112194009 has 2 divisors, whose sum is σ = 1022112194010. Its totient is φ = 1022112194008.

The previous prime is 1022112194003. The next prime is 1022112194011. The reversal of 1022112194009 is 9004912112201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020649513984 + 1462680025 = 1010272^2 + 38245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022112194009 is a prime.

Together with 1022112194011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1022112194003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511056097004 + 511056097005.

It is an arithmetic number, because the mean of its divisors is an integer number (511056097005).

Almost surely, 2^{1022112194009} is an apocalyptic number.

It is an amenable number.

1022112194009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022112194009 is an equidigital number, since it uses as much as digits as its factorization.

1022112194009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

It can be divided in two parts, 1022112 and 194009, that added together give a palindrome (1216121).

The spelling of 1022112194009 in words is "one trillion, twenty-two billion, one hundred twelve million, one hundred ninety-four thousand, nine".