1322010200557 has 2 divisors, whose sum is σ = 1322010200558. Its totient is φ = 1322010200556.

The previous prime is 1322010200551. The next prime is 1322010200569. The reversal of 1322010200557 is 7550020102231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1109944424521 + 212065776036 = 1053539^2 + 460506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322010200557 is a prime.

It is a super-4 number, since 4×1322010200557⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322010200551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661005100278 + 661005100279.

It is an arithmetic number, because the mean of its divisors is an integer number (661005100279).

Almost surely, 2^{1322010200557} is an apocalyptic number.

It is an amenable number.

1322010200557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322010200557 is an equidigital number, since it uses as much as digits as its factorization.

1322010200557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 1322010200557 its reverse (7550020102231), we get a palindrome (8872030302788).

The spelling of 1322010200557 in words is "one trillion, three hundred twenty-two billion, ten million, two hundred thousand, five hundred fifty-seven".