1202100322217 has 2 divisors, whose sum is σ = 1202100322218. Its totient is φ = 1202100322216.

The previous prime is 1202100322183. The next prime is 1202100322231. The reversal of 1202100322217 is 7122230012021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781922821696 + 420177500521 = 884264^2 + 648211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202100322217 - 2²² = 1202096127913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202100322192 and 1202100322201.

It is not a weakly prime, because it can be changed into another prime (1202100322417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601050161108 + 601050161109.

It is an arithmetic number, because the mean of its divisors is an integer number (601050161109).

Almost surely, 2^{1202100322217} is an apocalyptic number.

It is an amenable number.

1202100322217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202100322217 is an equidigital number, since it uses as much as digits as its factorization.

1202100322217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 1202100322217 its reverse (7122230012021), we get a palindrome (8324330334238).

The spelling of 1202100322217 in words is "one trillion, two hundred two billion, one hundred million, three hundred twenty-two thousand, two hundred seventeen".