1002302112121 has 2 divisors, whose sum is σ = 1002302112122. Its totient is φ = 1002302112120.

The previous prime is 1002302112083. The next prime is 1002302112131. The reversal of 1002302112121 is 1212112032001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805077302121 + 197224810000 = 897261^2 + 444100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002302112121 - 2⁹ = 1002302111609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002302112095 and 1002302112104.

It is not a weakly prime, because it can be changed into another prime (1002302112131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501151056060 + 501151056061.

It is an arithmetic number, because the mean of its divisors is an integer number (501151056061).

Almost surely, 2^{1002302112121} is an apocalyptic number.

It is an amenable number.

1002302112121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002302112121 is an equidigital number, since it uses as much as digits as its factorization.

1002302112121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1002302112121 its reverse (1212112032001), we get a palindrome (2214414144122).

The spelling of 1002302112121 in words is "one trillion, two billion, three hundred two million, one hundred twelve thousand, one hundred twenty-one".