100556212327 has 2 divisors, whose sum is σ = 100556212328. Its totient is φ = 100556212326.

The previous prime is 100556212303. The next prime is 100556212357. The reversal of 100556212327 is 723212655001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100556212327 is a prime.

It is a super-2 number, since 2×100556212327² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100556212292 and 100556212301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100556212357) 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, 50278106163 + 50278106164.

It is an arithmetic number, because the mean of its divisors is an integer number (50278106164).

Almost surely, 2^100556212327 is an apocalyptic number.

100556212327 is a deficient number, since it is larger than the sum of its proper divisors (1).

100556212327 is an equidigital number, since it uses as much as digits as its factorization.

100556212327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 100556212327 its reverse (723212655001), we get a palindrome (823768867328).

The spelling of 100556212327 in words is "one hundred billion, five hundred fifty-six million, two hundred twelve thousand, three hundred twenty-seven".