1122213312109 has 2 divisors, whose sum is σ = 1122213312110. Its totient is φ = 1122213312108.

The previous prime is 1122213312079. The next prime is 1122213312223. The reversal of 1122213312109 is 9012133122211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083258395209 + 38954916900 = 1040797^2 + 197370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122213312109 - 2³⁷ = 984774358637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122213312509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561106656054 + 561106656055.

It is an arithmetic number, because the mean of its divisors is an integer number (561106656055).

Almost surely, 2^{1122213312109} is an apocalyptic number.

It is an amenable number.

1122213312109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122213312109 is an equidigital number, since it uses as much as digits as its factorization.

1122213312109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1122213312109 in words is "one trillion, one hundred twenty-two billion, two hundred thirteen million, three hundred twelve thousand, one hundred nine".