102220221011273 has 2 divisors, whose sum is σ = 102220221011274. Its totient is φ = 102220221011272.

The previous prime is 102220221011201. The next prime is 102220221011339. The reversal of 102220221011273 is 372110122022201.

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., 77663557912249 + 24556663099024 = 8812693^2 + 4955468^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220221011273 - 2²⁰ = 102220219962697 is a prime.

It is not a weakly prime, because it can be changed into another prime (102220221010273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110110505636 + 51110110505637.

It is an arithmetic number, because the mean of its divisors is an integer number (51110110505637).

Almost surely, 2^{102220221011273} is an apocalyptic number.

It is an amenable number.

102220221011273 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220221011273 is an equidigital number, since it uses as much as digits as its factorization.

102220221011273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 102220221011273 its reverse (372110122022201), we get a palindrome (474330343033474).

The spelling of 102220221011273 in words is "one hundred two trillion, two hundred twenty billion, two hundred twenty-one million, eleven thousand, two hundred seventy-three".