10203622040081 has 2 divisors, whose sum is σ = 10203622040082. Its totient is φ = 10203622040080.

The previous prime is 10203622040039. The next prime is 10203622040089. The reversal of 10203622040081 is 18004022630201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8124301299856 + 2079320740225 = 2850316^2 + 1441985^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203622040081 - 2¹⁴ = 10203622023697 is a prime.

It is a super-2 number, since 2×10203622040081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10203622040089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101811020040 + 5101811020041.

It is an arithmetic number, because the mean of its divisors is an integer number (5101811020041).

Almost surely, 2^{10203622040081} is an apocalyptic number.

It is an amenable number.

10203622040081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203622040081 is an equidigital number, since it uses as much as digits as its factorization.

10203622040081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 10203622040081 its reverse (18004022630201), we get a palindrome (28207644670282).

The spelling of 10203622040081 in words is "ten trillion, two hundred three billion, six hundred twenty-two million, forty thousand, eighty-one".