1011100973 has 2 divisors, whose sum is σ = 1011100974. Its totient is φ = 1011100972.

The previous prime is 1011100969. The next prime is 1011101009. The reversal of 1011100973 is 3790011101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 791972164 + 219128809 = 28142^2 + 14803^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011100973 - 2² = 1011100969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011100943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550486 + 505550487.

It is an arithmetic number, because the mean of its divisors is an integer number (505550487).

Almost surely, 2^1011100973 is an apocalyptic number.

It is an amenable number.

1011100973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011100973 is an equidigital number, since it uses as much as digits as its factorization.

1011100973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 1011100973 is about 31797.8139657430. The cubic root of 1011100973 is about 1003.6867157571.

The spelling of 1011100973 in words is "one billion, eleven million, one hundred thousand, nine hundred seventy-three".