10202022101993 has 2 divisors, whose sum is σ = 10202022101994. Its totient is φ = 10202022101992.

The previous prime is 10202022101989. The next prime is 10202022102007. The reversal of 10202022101993 is 39910122020201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8934049264144 + 1267972837849 = 2988988^2 + 1126043^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202022101993 - 2² = 10202022101989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10202022101963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101011050996 + 5101011050997.

It is an arithmetic number, because the mean of its divisors is an integer number (5101011050997).

Almost surely, 2^{10202022101993} is an apocalyptic number.

It is an amenable number.

10202022101993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202022101993 is an equidigital number, since it uses as much as digits as its factorization.

10202022101993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 10202022101993 in words is "ten trillion, two hundred two billion, twenty-two million, one hundred one thousand, nine hundred ninety-three".