1302301331221 has 16 divisors (see below), whose sum is σ = 1455317772480. Its totient is φ = 1155348734080.

The previous prime is 1302301331209. The next prime is 1302301331273. The reversal of 1302301331221 is 1221331032031.

It is a cyclic number.

It is not a de Polignac number, because 1302301331221 - 2¹⁷ = 1302301200149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302301331192 and 1302301331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302301331281) 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 in 15 ways as a sum of consecutive naturals, for example, 7234546 + ... + 7412371.

It is an arithmetic number, because the mean of its divisors is an integer number (90957360780).

Almost surely, 2^{1302301331221} is an apocalyptic number.

1302301331221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1302301331221 is a deficient number, since it is larger than the sum of its proper divisors (153016441259).

1302301331221 is a wasteful number, since it uses less digits than its factorization.

1302301331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14647124.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1302301331221 its reverse (1221331032031), we get a palindrome (2523632363252).

The spelling of 1302301331221 in words is "one trillion, three hundred two billion, three hundred one million, three hundred thirty-one thousand, two hundred twenty-one".