1320022130381 has 2 divisors, whose sum is σ = 1320022130382. Its totient is φ = 1320022130380.

The previous prime is 1320022130177. The next prime is 1320022130393. The reversal of 1320022130381 is 1830312200231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 960850852900 + 359171277481 = 980230^2 + 599309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320022130381 - 2¹⁰ = 1320022129357 is a prime.

It is a super-2 number, since 2×1320022130381² (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 1320022130381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320022730381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660011065190 + 660011065191.

It is an arithmetic number, because the mean of its divisors is an integer number (660011065191).

Almost surely, 2^{1320022130381} is an apocalyptic number.

It is an amenable number.

1320022130381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320022130381 is an equidigital number, since it uses as much as digits as its factorization.

1320022130381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 1320022130381 in words is "one trillion, three hundred twenty billion, twenty-two million, one hundred thirty thousand, three hundred eighty-one".