204122102369 has 2 divisors, whose sum is σ = 204122102370. Its totient is φ = 204122102368.

The previous prime is 204122102351. The next prime is 204122102411. The reversal of 204122102369 is 963201221402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201119062369 + 3003040000 = 448463^2 + 54800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204122102369 is a prime.

It is a super-2 number, since 2×204122102369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204122102339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102061051184 + 102061051185.

It is an arithmetic number, because the mean of its divisors is an integer number (102061051185).

Almost surely, 2^204122102369 is an apocalyptic number.

It is an amenable number.

204122102369 is a deficient number, since it is larger than the sum of its proper divisors (1).

204122102369 is an equidigital number, since it uses as much as digits as its factorization.

204122102369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 204122102369 in words is "two hundred four billion, one hundred twenty-two million, one hundred two thousand, three hundred sixty-nine".