102312220201 has 2 divisors, whose sum is σ = 102312220202. Its totient is φ = 102312220200.

The previous prime is 102312220189. The next prime is 102312220211. The reversal of 102312220201 is 102022213201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91636371225 + 10675848976 = 302715^2 + 103324^2 .

It is an emirp because it is prime and its reverse (102022213201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102312220201 - 2⁹ = 102312219689 is a prime.

It is not a weakly prime, because it can be changed into another prime (102312220211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51156110100 + 51156110101.

It is an arithmetic number, because the mean of its divisors is an integer number (51156110101).

Almost surely, 2^102312220201 is an apocalyptic number.

It is an amenable number.

102312220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102312220201 is an equidigital number, since it uses as much as digits as its factorization.

102312220201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102312220201 its reverse (102022213201), we get a palindrome (204334433402).

The spelling of 102312220201 in words is "one hundred two billion, three hundred twelve million, two hundred twenty thousand, two hundred one".