1004220232121 has 2 divisors, whose sum is σ = 1004220232122. Its totient is φ = 1004220232120.

The previous prime is 1004220232109. The next prime is 1004220232133. The reversal of 1004220232121 is 1212320224001.

It is a balanced prime because it is at equal distance from previous prime (1004220232109) and next prime (1004220232133).

It can be written as a sum of positive squares in only one way, i.e., 867112953721 + 137107278400 = 931189^2 + 370280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004220232121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004220232093 and 1004220232102.

It is not a weakly prime, because it can be changed into another prime (1004220232321) 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, 502110116060 + 502110116061.

It is an arithmetic number, because the mean of its divisors is an integer number (502110116061).

Almost surely, 2^{1004220232121} is an apocalyptic number.

It is an amenable number.

1004220232121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004220232121 is an equidigital number, since it uses as much as digits as its factorization.

1004220232121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1004220232121 its reverse (1212320224001), we get a palindrome (2216540456122).

The spelling of 1004220232121 in words is "one trillion, four billion, two hundred twenty million, two hundred thirty-two thousand, one hundred twenty-one".