1021110112193 has 2 divisors, whose sum is σ = 1021110112194. Its totient is φ = 1021110112192.

The previous prime is 1021110112153. The next prime is 1021110112207. The reversal of 1021110112193 is 3912110111201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1019437547584 + 1672564609 = 1009672^2 + 40897^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021110112193 - 2¹² = 1021110108097 is a prime.

It is a super-2 number, since 2×1021110112193² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021110112153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510555056096 + 510555056097.

It is an arithmetic number, because the mean of its divisors is an integer number (510555056097).

Almost surely, 2^{1021110112193} is an apocalyptic number.

It is an amenable number.

1021110112193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021110112193 is an equidigital number, since it uses as much as digits as its factorization.

1021110112193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 23.

Adding to 1021110112193 its reverse (3912110111201), we get a palindrome (4933220223394).

The spelling of 1021110112193 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred twelve thousand, one hundred ninety-three".