1011100969 has 2 divisors, whose sum is σ = 1011100970. Its totient is φ = 1011100968.

The previous prime is 1011100949. The next prime is 1011100973. The reversal of 1011100969 is 9690011101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 924889744 + 86211225 = 30412^2 + 9285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011100969 - 2¹⁹ = 1010576681 is a prime.

It is a super-2 number, since 2×1011100969² = 2044650339025477922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011100949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550484 + 505550485.

It is an arithmetic number, because the mean of its divisors is an integer number (505550485).

Almost surely, 2^1011100969 is an apocalyptic number.

It is an amenable number.

1011100969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011100969 is an equidigital number, since it uses as much as digits as its factorization.

1011100969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 1011100969 is about 31797.8139028456. The cubic root of 1011100969 is about 1003.6867144336.

The spelling of 1011100969 in words is "one billion, eleven million, one hundred thousand, nine hundred sixty-nine".