121011017 has 2 divisors, whose sum is σ = 121011018. Its totient is φ = 121011016.

The previous prime is 121011013. The next prime is 121011043. The reversal of 121011017 is 710110121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62473216 + 58537801 = 7904^2 + 7651^2 .

It is a cyclic number.

It is not a de Polignac number, because 121011017 - 2² = 121011013 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121010992 and 121011010.

It is not a weakly prime, because it can be changed into another prime (121011013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505508 + 60505509.

It is an arithmetic number, because the mean of its divisors is an integer number (60505509).

Almost surely, 2^121011017 is an apocalyptic number.

It is an amenable number.

121011017 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011017 is an equidigital number, since it uses as much as digits as its factorization.

121011017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 14.

The square root of 121011017 is about 11000.5007613290. The cubic root of 121011017 is about 494.6237551766.

Adding to 121011017 its reverse (710110121), we get a palindrome (831121138).

The spelling of 121011017 in words is "one hundred twenty-one million, eleven thousand, seventeen".