121166270574469 has 2 divisors, whose sum is σ = 121166270574470. Its totient is φ = 121166270574468.

The previous prime is 121166270574449. The next prime is 121166270574493. The reversal of 121166270574469 is 964475072661121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66075926264100 + 55090344310369 = 8128710^2 + 7422287^2 .

It is a cyclic number.

It is not a de Polignac number, because 121166270574469 - 2¹¹ = 121166270572421 is a prime.

It is a super-2 number, since 2×121166270574469² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121166270574449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60583135287234 + 60583135287235.

It is an arithmetic number, because the mean of its divisors is an integer number (60583135287235).

Almost surely, 2^{121166270574469} is an apocalyptic number.

It is an amenable number.

121166270574469 is a deficient number, since it is larger than the sum of its proper divisors (1).

121166270574469 is an equidigital number, since it uses as much as digits as its factorization.

121166270574469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 121166270574469 in words is "one hundred twenty-one trillion, one hundred sixty-six billion, two hundred seventy million, five hundred seventy-four thousand, four hundred sixty-nine".