1100120011993 has 2 divisors, whose sum is σ = 1100120011994. Its totient is φ = 1100120011992.

The previous prime is 1100120011961. The next prime is 1100120012009. The reversal of 1100120011993 is 3991100210011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 772945163929 + 327174848064 = 879173^2 + 571992^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100120011993 - 2⁵ = 1100120011961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100120018993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550060005996 + 550060005997.

It is an arithmetic number, because the mean of its divisors is an integer number (550060005997).

Almost surely, 2^{1100120011993} is an apocalyptic number.

It is an amenable number.

1100120011993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100120011993 is an equidigital number, since it uses as much as digits as its factorization.

1100120011993 is an evil number, because the sum of its binary digits is even.

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

The spelling of 1100120011993 in words is "one trillion, one hundred billion, one hundred twenty million, eleven thousand, nine hundred ninety-three".