1010121321193 has 2 divisors, whose sum is σ = 1010121321194. Its totient is φ = 1010121321192.

The previous prime is 1010121321173. The next prime is 1010121321211. The reversal of 1010121321193 is 3911231210101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001144327184 + 8976994009 = 1000572^2 + 94747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010121321193 - 2⁵ = 1010121321161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010121321133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505060660596 + 505060660597.

It is an arithmetic number, because the mean of its divisors is an integer number (505060660597).

Almost surely, 2^{1010121321193} is an apocalyptic number.

It is an amenable number.

1010121321193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010121321193 is an equidigital number, since it uses as much as digits as its factorization.

1010121321193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

Adding to 1010121321193 its reverse (3911231210101), we get a palindrome (4921352531294).

The spelling of 1010121321193 in words is "one trillion, ten billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred ninety-three".