1322011132381 has 2 divisors, whose sum is σ = 1322011132382. Its totient is φ = 1322011132380.

The previous prime is 1322011132283. The next prime is 1322011132399. The reversal of 1322011132381 is 1832311102231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1321200819225 + 810313156 = 1149435^2 + 28466^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322011132381 - 2¹¹ = 1322011130333 is a prime.

It is a super-2 number, since 2×1322011132381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322011132181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661005566190 + 661005566191.

It is an arithmetic number, because the mean of its divisors is an integer number (661005566191).

Almost surely, 2^{1322011132381} is an apocalyptic number.

It is an amenable number.

1322011132381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322011132381 is an equidigital number, since it uses as much as digits as its factorization.

1322011132381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 1322011132381 in words is "one trillion, three hundred twenty-two billion, eleven million, one hundred thirty-two thousand, three hundred eighty-one".