1122209889929 has 2 divisors, whose sum is σ = 1122209889930. Its totient is φ = 1122209889928.

The previous prime is 1122209889883. The next prime is 1122209889967. The reversal of 1122209889929 is 9299889022211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865733480704 + 256476409225 = 930448^2 + 506435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122209889929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1122209189929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561104944964 + 561104944965.

It is an arithmetic number, because the mean of its divisors is an integer number (561104944965).

Almost surely, 2^{1122209889929} is an apocalyptic number.

It is an amenable number.

1122209889929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122209889929 is an equidigital number, since it uses as much as digits as its factorization.

1122209889929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 62.

The spelling of 1122209889929 in words is "one trillion, one hundred twenty-two billion, two hundred nine million, eight hundred eighty-nine thousand, nine hundred twenty-nine".