11012209973 has 2 divisors, whose sum is σ = 11012209974. Its totient is φ = 11012209972.

The previous prime is 11012209927. The next prime is 11012209987. The reversal of 11012209973 is 37990221011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8696868049 + 2315341924 = 93257^2 + 48118^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012209973 - 2⁶ = 11012209909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012209573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506104986 + 5506104987.

It is an arithmetic number, because the mean of its divisors is an integer number (5506104987).

Almost surely, 2^11012209973 is an apocalyptic number.

It is an amenable number.

11012209973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012209973 is an equidigital number, since it uses as much as digits as its factorization.

11012209973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The spelling of 11012209973 in words is "eleven billion, twelve million, two hundred nine thousand, nine hundred seventy-three".