110220209993 has 2 divisors, whose sum is σ = 110220209994. Its totient is φ = 110220209992.

The previous prime is 110220209921. The next prime is 110220210011. The reversal of 110220209993 is 399902022011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63258286144 + 46961923849 = 251512^2 + 216707^2 .

It is a cyclic number.

It is not a de Polignac number, because 110220209993 - 2¹⁴ = 110220193609 is a prime.

It is not a weakly prime, because it can be changed into another prime (110220259993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55110104996 + 55110104997.

It is an arithmetic number, because the mean of its divisors is an integer number (55110104997).

Almost surely, 2^110220209993 is an apocalyptic number.

It is an amenable number.

110220209993 is a deficient number, since it is larger than the sum of its proper divisors (1).

110220209993 is an equidigital number, since it uses as much as digits as its factorization.

110220209993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 110220209993 in words is "one hundred ten billion, two hundred twenty million, two hundred nine thousand, nine hundred ninety-three".