100001020969 has 2 divisors, whose sum is σ = 100001020970. Its totient is φ = 100001020968.

The previous prime is 100001020961. The next prime is 100001021023. The reversal of 100001020969 is 969020100001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85077222400 + 14923798569 = 291680^2 + 122163^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001020969 - 2³ = 100001020961 is a prime.

It is a super-2 number, since 2×100001020969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100001020961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000510484 + 50000510485.

It is an arithmetic number, because the mean of its divisors is an integer number (50000510485).

Almost surely, 2^100001020969 is an apocalyptic number.

It is an amenable number.

100001020969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001020969 is an equidigital number, since it uses as much as digits as its factorization.

100001020969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 100001020969 in words is "one hundred billion, one million, twenty thousand, nine hundred sixty-nine".