1321022301023 has 16 divisors (see below), whose sum is σ = 1365459153696. Its totient is φ = 1277215094400.

The previous prime is 1321022300977. The next prime is 1321022301059. The reversal of 1321022301023 is 3201032201231.

It is a cyclic number.

It is not a de Polignac number, because 1321022301023 - 2¹² = 1321022296927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321022300986 and 1321022301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321022301923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18957161 + ... + 19026717.

It is an arithmetic number, because the mean of its divisors is an integer number (85341197106).

Almost surely, 2^{1321022301023} is an apocalyptic number.

1321022301023 is a deficient number, since it is larger than the sum of its proper divisors (44436852673).

1321022301023 is a wasteful number, since it uses less digits than its factorization.

1321022301023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74074.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1321022301023 its reverse (3201032201231), we get a palindrome (4522054502254).

The spelling of 1321022301023 in words is "one trillion, three hundred twenty-one billion, twenty-two million, three hundred one thousand, twenty-three".