110110221097 has 2 divisors, whose sum is σ = 110110221098. Its totient is φ = 110110221096.

The previous prime is 110110221041. The next prime is 110110221101. The reversal of 110110221097 is 790122011011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76204154601 + 33906066496 = 276051^2 + 184136^2 .

It is a cyclic number.

It is not a de Polignac number, because 110110221097 - 2¹¹ = 110110219049 is a prime.

It is not a weakly prime, because it can be changed into another prime (110110221037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055110548 + 55055110549.

It is an arithmetic number, because the mean of its divisors is an integer number (55055110549).

Almost surely, 2^110110221097 is an apocalyptic number.

It is an amenable number.

110110221097 is a deficient number, since it is larger than the sum of its proper divisors (1).

110110221097 is an equidigital number, since it uses as much as digits as its factorization.

110110221097 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 25.

The spelling of 110110221097 in words is "one hundred ten billion, one hundred ten million, two hundred twenty-one thousand, ninety-seven".