421177120097 has 2 divisors, whose sum is σ = 421177120098. Its totient is φ = 421177120096.

The previous prime is 421177120073. The next prime is 421177120157. The reversal of 421177120097 is 790021771124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418814771281 + 2362348816 = 647159^2 + 48604^2 .

It is a cyclic number.

It is not a de Polignac number, because 421177120097 - 2⁸ = 421177119841 is a prime.

It is a super-2 number, since 2×421177120097² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (421177120297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210588560048 + 210588560049.

It is an arithmetic number, because the mean of its divisors is an integer number (210588560049).

Almost surely, 2^421177120097 is an apocalyptic number.

It is an amenable number.

421177120097 is a deficient number, since it is larger than the sum of its proper divisors (1).

421177120097 is an equidigital number, since it uses as much as digits as its factorization.

421177120097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 421177120097 in words is "four hundred twenty-one billion, one hundred seventy-seven million, one hundred twenty thousand, ninety-seven".