1102017121 has 2 divisors, whose sum is σ = 1102017122. Its totient is φ = 1102017120.

The previous prime is 1102017079. The next prime is 1102017149. The reversal of 1102017121 is 1217102011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815730721 + 286286400 = 28561^2 + 16920^2 .

It is an emirp because it is prime and its reverse (1217102011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102017121 - 2²⁹ = 565146209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102017095 and 1102017104.

It is not a weakly prime, because it can be changed into another prime (1102017151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551008560 + 551008561.

It is an arithmetic number, because the mean of its divisors is an integer number (551008561).

Almost surely, 2^1102017121 is an apocalyptic number.

It is an amenable number.

1102017121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102017121 is an equidigital number, since it uses as much as digits as its factorization.

1102017121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 1102017121 is about 33196.6432188557. The cubic root of 1102017121 is about 1032.9107101324.

Adding to 1102017121 its reverse (1217102011), we get a palindrome (2319119132).

The spelling of 1102017121 in words is "one billion, one hundred two million, seventeen thousand, one hundred twenty-one".