11100221011097 has 2 divisors, whose sum is σ = 11100221011098. Its totient is φ = 11100221011096.

The previous prime is 11100221011081. The next prime is 11100221011129. The reversal of 11100221011097 is 79011012200111.

11100221011097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10815258286336 + 284962724761 = 3288656^2 + 533819^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100221011097 - 2⁴ = 11100221011081 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100221011897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550110505548 + 5550110505549.

It is an arithmetic number, because the mean of its divisors is an integer number (5550110505549).

Almost surely, 2^{11100221011097} is an apocalyptic number.

It is an amenable number.

11100221011097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100221011097 is an equidigital number, since it uses as much as digits as its factorization.

11100221011097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 11100221011097 in words is "eleven trillion, one hundred billion, two hundred twenty-one million, eleven thousand, ninety-seven".