10220111302123 has 2 divisors, whose sum is σ = 10220111302124. Its totient is φ = 10220111302122.

The previous prime is 10220111302007. The next prime is 10220111302147. The reversal of 10220111302123 is 32120311102201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10220111302123 - 2⁹ = 10220111301611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10220111302123.

It is not a weakly prime, because it can be changed into another prime (10220111302223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110055651061 + 5110055651062.

It is an arithmetic number, because the mean of its divisors is an integer number (5110055651062).

Almost surely, 2^{10220111302123} is an apocalyptic number.

10220111302123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220111302123 is an equidigital number, since it uses as much as digits as its factorization.

10220111302123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10220111302123 its reverse (32120311102201), we get a palindrome (42340422404324).

The spelling of 10220111302123 in words is "ten trillion, two hundred twenty billion, one hundred eleven million, three hundred two thousand, one hundred twenty-three".