1101220120069 has 2 divisors, whose sum is σ = 1101220120070. Its totient is φ = 1101220120068.

The previous prime is 1101220120067. The next prime is 1101220120123. The reversal of 1101220120069 is 9600210221011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 685534320900 + 415685799169 = 827970^2 + 644737^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101220120069 - 2¹ = 1101220120067 is a prime.

It is a super-2 number, since 2×1101220120069² (a number of 25 digits) contains 22 as substring.

Together with 1101220120067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101220120067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550610060034 + 550610060035.

It is an arithmetic number, because the mean of its divisors is an integer number (550610060035).

Almost surely, 2^{1101220120069} is an apocalyptic number.

It is an amenable number.

1101220120069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101220120069 is an equidigital number, since it uses as much as digits as its factorization.

1101220120069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 1101220120069 in words is "one trillion, one hundred one billion, two hundred twenty million, one hundred twenty thousand, sixty-nine".