101110221097 has 2 divisors, whose sum is σ = 101110221098. Its totient is φ = 101110221096.

The previous prime is 101110221089. The next prime is 101110221101. The reversal of 101110221097 is 790122011101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96855398656 + 4254822441 = 311216^2 + 65229^2 .

It is a cyclic number.

It is not a de Polignac number, because 101110221097 - 2³ = 101110221089 is a prime.

It is a super-3 number, since 3×101110221097³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (101110221067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555110548 + 50555110549.

It is an arithmetic number, because the mean of its divisors is an integer number (50555110549).

Almost surely, 2^101110221097 is an apocalyptic number.

It is an amenable number.

101110221097 is a deficient number, since it is larger than the sum of its proper divisors (1).

101110221097 is an equidigital number, since it uses as much as digits as its factorization.

101110221097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 101110221097 its reverse (790122011101), we get a palindrome (891232232198).

The spelling of 101110221097 in words is "one hundred one billion, one hundred ten million, two hundred twenty-one thousand, ninety-seven".