102205436051227 has 2 divisors, whose sum is σ = 102205436051228. Its totient is φ = 102205436051226.

The previous prime is 102205436051161. The next prime is 102205436051263. The reversal of 102205436051227 is 722150634502201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102205436051227 - 2²³ = 102205427662619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102205436051227.

It is not a weakly prime, because it can be changed into another prime (102205436057227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51102718025613 + 51102718025614.

It is an arithmetic number, because the mean of its divisors is an integer number (51102718025614).

Almost surely, 2^{102205436051227} is an apocalyptic number.

102205436051227 is a deficient number, since it is larger than the sum of its proper divisors (1).

102205436051227 is an equidigital number, since it uses as much as digits as its factorization.

102205436051227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 102205436051227 in words is "one hundred two trillion, two hundred five billion, four hundred thirty-six million, fifty-one thousand, two hundred twenty-seven".