10203222222491 has 2 divisors, whose sum is σ = 10203222222492. Its totient is φ = 10203222222490.

The previous prime is 10203222222451. The next prime is 10203222222521. The reversal of 10203222222491 is 19422222230201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10203222222491 is a prime.

It is not a weakly prime, because it can be changed into another prime (10203222222451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101611111245 + 5101611111246.

It is an arithmetic number, because the mean of its divisors is an integer number (5101611111246).

Almost surely, 2^{10203222222491} is an apocalyptic number.

10203222222491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203222222491 is an equidigital number, since it uses as much as digits as its factorization.

10203222222491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 10203222222491 its reverse (19422222230201), we get a palindrome (29625444452692).

The spelling of 10203222222491 in words is "ten trillion, two hundred three billion, two hundred twenty-two million, two hundred twenty-two thousand, four hundred ninety-one".