1031220222103 has 2 divisors, whose sum is σ = 1031220222104. Its totient is φ = 1031220222102.

The previous prime is 1031220222077. The next prime is 1031220222121. The reversal of 1031220222103 is 3012220221301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031220222103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031220222143) 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, 515610111051 + 515610111052.

It is an arithmetic number, because the mean of its divisors is an integer number (515610111052).

Almost surely, 2^{1031220222103} is an apocalyptic number.

1031220222103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031220222103 is an equidigital number, since it uses as much as digits as its factorization.

1031220222103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1031220222103 its reverse (3012220221301), we get a palindrome (4043440443404).

The spelling of 1031220222103 in words is "one trillion, thirty-one billion, two hundred twenty million, two hundred twenty-two thousand, one hundred three".