1322202011381 has 2 divisors, whose sum is σ = 1322202011382. Its totient is φ = 1322202011380.

The previous prime is 1322202011363. The next prime is 1322202011399. The reversal of 1322202011381 is 1831102022231.

It is a balanced prime because it is at equal distance from previous prime (1322202011363) and next prime (1322202011399).

It can be written as a sum of positive squares in only one way, i.e., 1216258271281 + 105943740100 = 1102841^2 + 325490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322202011381 is a prime.

It is a super-2 number, since 2×1322202011381² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322202011381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322222011381) 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, 661101005690 + 661101005691.

It is an arithmetic number, because the mean of its divisors is an integer number (661101005691).

Almost surely, 2^{1322202011381} is an apocalyptic number.

It is an amenable number.

1322202011381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322202011381 is an equidigital number, since it uses as much as digits as its factorization.

1322202011381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 1322202011381 in words is "one trillion, three hundred twenty-two billion, two hundred two million, eleven thousand, three hundred eighty-one".