11020220993 has 2 divisors, whose sum is σ = 11020220994. Its totient is φ = 11020220992.

The previous prime is 11020220977. The next prime is 11020221041. The reversal of 11020220993 is 39902202011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10528401664 + 491819329 = 102608^2 + 22177^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020220993 - 2⁴ = 11020220977 is a prime.

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 (11020220293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510110496 + 5510110497.

It is an arithmetic number, because the mean of its divisors is an integer number (5510110497).

Almost surely, 2^11020220993 is an apocalyptic number.

It is an amenable number.

11020220993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020220993 is an equidigital number, since it uses as much as digits as its factorization.

11020220993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 11020220993 in words is "eleven billion, twenty million, two hundred twenty thousand, nine hundred ninety-three".