1321022033011 has 2 divisors, whose sum is σ = 1321022033012. Its totient is φ = 1321022033010.

The previous prime is 1321022032951. The next prime is 1321022033029. The reversal of 1321022033011 is 1103302201231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1321022033011 is a prime.

It is a super-2 number, since 2×1321022033011² (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 1321022033011.

It is not a weakly prime, because it can be changed into another prime (1321022033311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660511016505 + 660511016506.

It is an arithmetic number, because the mean of its divisors is an integer number (660511016506).

Almost surely, 2^{1321022033011} is an apocalyptic number.

1321022033011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321022033011 is an equidigital number, since it uses as much as digits as its factorization.

1321022033011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1321022033011 its reverse (1103302201231), we get a palindrome (2424324234242).

It can be divided in two parts, 13210220 and 33011, that added together give a triangular number (13243231 = T₅₁₄₆).

The spelling of 1321022033011 in words is "one trillion, three hundred twenty-one billion, twenty-two million, thirty-three thousand, eleven".