121001120221117 has 2 divisors, whose sum is σ = 121001120221118. Its totient is φ = 121001120221116.

The previous prime is 121001120220949. The next prime is 121001120221159. The reversal of 121001120221117 is 711122021100121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120994962052441 + 6158168676 = 10999771^2 + 78474^2 .

It is a cyclic number.

It is not a de Polignac number, because 121001120221117 - 2¹⁵ = 121001120188349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121001190221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500560110558 + 60500560110559.

It is an arithmetic number, because the mean of its divisors is an integer number (60500560110559).

Almost surely, 2^{121001120221117} is an apocalyptic number.

It is an amenable number.

121001120221117 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001120221117 is an equidigital number, since it uses as much as digits as its factorization.

121001120221117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 121001120221117 its reverse (711122021100121), we get a palindrome (832123141321238).

The spelling of 121001120221117 in words is "one hundred twenty-one trillion, one billion, one hundred twenty million, two hundred twenty-one thousand, one hundred seventeen".