1202000010121 has 2 divisors, whose sum is σ = 1202000010122. Its totient is φ = 1202000010120.

The previous prime is 1202000010041. The next prime is 1202000010163. The reversal of 1202000010121 is 1210100002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 769120230025 + 432879780096 = 876995^2 + 657936^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202000010121 - 2¹⁷ = 1201999879049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202000010098 and 1202000010107.

It is not a weakly prime, because it can be changed into another prime (1202000010181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601000005060 + 601000005061.

It is an arithmetic number, because the mean of its divisors is an integer number (601000005061).

Almost surely, 2^{1202000010121} is an apocalyptic number.

It is an amenable number.

1202000010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202000010121 is an equidigital number, since it uses as much as digits as its factorization.

1202000010121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1202000010121 its reverse (1210100002021), we get a palindrome (2412100012142).

The spelling of 1202000010121 in words is "one trillion, two hundred two billion, ten thousand, one hundred twenty-one".