821122483361 has 2 divisors, whose sum is σ = 821122483362. Its totient is φ = 821122483360.

The previous prime is 821122483249. The next prime is 821122483369. The reversal of 821122483361 is 163384221128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549035058961 + 272087424400 = 740969^2 + 521620^2 .

It is a cyclic number.

It is not a de Polignac number, because 821122483361 - 2¹⁴ = 821122466977 is a prime.

It is not a weakly prime, because it can be changed into another prime (821122483369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410561241680 + 410561241681.

It is an arithmetic number, because the mean of its divisors is an integer number (410561241681).

Almost surely, 2^821122483361 is an apocalyptic number.

It is an amenable number.

821122483361 is a deficient number, since it is larger than the sum of its proper divisors (1).

821122483361 is an equidigital number, since it uses as much as digits as its factorization.

821122483361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The spelling of 821122483361 in words is "eight hundred twenty-one billion, one hundred twenty-two million, four hundred eighty-three thousand, three hundred sixty-one".