13220114857 has 2 divisors, whose sum is σ = 13220114858. Its totient is φ = 13220114856.

The previous prime is 13220114839. The next prime is 13220114867. The reversal of 13220114857 is 75841102231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9059993856 + 4160121001 = 95184^2 + 64499^2 .

It is a cyclic number.

It is not a de Polignac number, because 13220114857 - 2³¹ = 11072631209 is a prime.

It is not a weakly prime, because it can be changed into another prime (13220114807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610057428 + 6610057429.

It is an arithmetic number, because the mean of its divisors is an integer number (6610057429).

Almost surely, 2^13220114857 is an apocalyptic number.

It is an amenable number.

13220114857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220114857 is an equidigital number, since it uses as much as digits as its factorization.

13220114857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 13220114857 in words is "thirteen billion, two hundred twenty million, one hundred fourteen thousand, eight hundred fifty-seven".