1100221021093 has 2 divisors, whose sum is σ = 1100221021094. Its totient is φ = 1100221021092.

The previous prime is 1100221021001. The next prime is 1100221021139. The reversal of 1100221021093 is 3901201220011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 631862830404 + 468358190689 = 794898^2 + 684367^2 .

It is an emirp because it is prime and its reverse (3901201220011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100221021093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100221024093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550110510546 + 550110510547.

It is an arithmetic number, because the mean of its divisors is an integer number (550110510547).

Almost surely, 2^{1100221021093} is an apocalyptic number.

It is an amenable number.

1100221021093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100221021093 is an equidigital number, since it uses as much as digits as its factorization.

1100221021093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 1100221021093 in words is "one trillion, one hundred billion, two hundred twenty-one million, twenty-one thousand, ninety-three".