1102110320221 has 2 divisors, whose sum is σ = 1102110320222. Its totient is φ = 1102110320220.

The previous prime is 1102110320153. The next prime is 1102110320323. The reversal of 1102110320221 is 1220230112011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620134200196 + 481976120025 = 787486^2 + 694245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102110320221 - 2¹³ = 1102110312029 is a prime.

It is a super-2 number, since 2×1102110320221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102110320195 and 1102110320204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102110327221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551055160110 + 551055160111.

It is an arithmetic number, because the mean of its divisors is an integer number (551055160111).

Almost surely, 2^{1102110320221} is an apocalyptic number.

It is an amenable number.

1102110320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102110320221 is an equidigital number, since it uses as much as digits as its factorization.

1102110320221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1102110320221 its reverse (1220230112011), we get a palindrome (2322340432232).

The spelling of 1102110320221 in words is "one trillion, one hundred two billion, one hundred ten million, three hundred twenty thousand, two hundred twenty-one".