102020221022873 has 2 divisors, whose sum is σ = 102020221022874. Its totient is φ = 102020221022872.

The previous prime is 102020221022849. The next prime is 102020221022891. The reversal of 102020221022873 is 378220122020201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68574911314009 + 33445309708864 = 8280997^2 + 5783192^2 .

It is a cyclic number.

It is not a de Polignac number, because 102020221022873 - 2¹² = 102020221018777 is a prime.

It is not a weakly prime, because it can be changed into another prime (102020221022803) 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, 51010110511436 + 51010110511437.

It is an arithmetic number, because the mean of its divisors is an integer number (51010110511437).

Almost surely, 2^{102020221022873} is an apocalyptic number.

It is an amenable number.

102020221022873 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020221022873 is an equidigital number, since it uses as much as digits as its factorization.

102020221022873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 102020221022873 in words is "one hundred two trillion, twenty billion, two hundred twenty-one million, twenty-two thousand, eight hundred seventy-three".