1100200120969 has 2 divisors, whose sum is σ = 1100200120970. Its totient is φ = 1100200120968.

The previous prime is 1100200120963. The next prime is 1100200121021. The reversal of 1100200120969 is 9690210020011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 995086051600 + 105114069369 = 997540^2 + 324213^2 .

It is an emirp because it is prime and its reverse (9690210020011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100200120969 - 2⁷ = 1100200120841 is a prime.

It is a super-2 number, since 2×1100200120969² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1100200120969.

It is not a weakly prime, because it can be changed into another prime (1100200120963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550100060484 + 550100060485.

It is an arithmetic number, because the mean of its divisors is an integer number (550100060485).

Almost surely, 2^{1100200120969} is an apocalyptic number.

It is an amenable number.

1100200120969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100200120969 is an equidigital number, since it uses as much as digits as its factorization.

1100200120969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 1100200120969 in words is "one trillion, one hundred billion, two hundred million, one hundred twenty thousand, nine hundred sixty-nine".