102113060221 has 2 divisors, whose sum is σ = 102113060222. Its totient is φ = 102113060220.

The previous prime is 102113060213. The next prime is 102113060227. The reversal of 102113060221 is 122060311201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102073860100 + 39200121 = 319490^2 + 6261^2 .

It is a cyclic number.

It is not a de Polignac number, because 102113060221 - 2³ = 102113060213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102113060227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056530110 + 51056530111.

It is an arithmetic number, because the mean of its divisors is an integer number (51056530111).

Almost surely, 2^102113060221 is an apocalyptic number.

It is an amenable number.

102113060221 is a deficient number, since it is larger than the sum of its proper divisors (1).

102113060221 is an equidigital number, since it uses as much as digits as its factorization.

102113060221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102113060221 its reverse (122060311201), we get a palindrome (224173371422).

The spelling of 102113060221 in words is "one hundred two billion, one hundred thirteen million, sixty thousand, two hundred twenty-one".