100223120969 has 2 divisors, whose sum is σ = 100223120970. Its totient is φ = 100223120968.

The previous prime is 100223120953. The next prime is 100223121013. The reversal of 100223120969 is 969021322001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91812030025 + 8411090944 = 303005^2 + 91712^2 .

It is a cyclic number.

It is not a de Polignac number, because 100223120969 - 2⁴ = 100223120953 is a prime.

It is a super-2 number, since 2×100223120969² (a number of 23 digits) contains 22 as substring.

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 (100223120269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111560484 + 50111560485.

It is an arithmetic number, because the mean of its divisors is an integer number (50111560485).

Almost surely, 2^100223120969 is an apocalyptic number.

It is an amenable number.

100223120969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100223120969 is an equidigital number, since it uses as much as digits as its factorization.

100223120969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 100223120969 in words is "one hundred billion, two hundred twenty-three million, one hundred twenty thousand, nine hundred sixty-nine".