105550221017051 has 2 divisors, whose sum is σ = 105550221017052. Its totient is φ = 105550221017050.

The previous prime is 105550221017023. The next prime is 105550221017113. The reversal of 105550221017051 is 150710122055501.

It is a weak prime.

It is an emirp because it is prime and its reverse (150710122055501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105550221017051 is a prime.

It is a super-2 number, since 2×105550221017051² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (105550221017251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52775110508525 + 52775110508526.

It is an arithmetic number, because the mean of its divisors is an integer number (52775110508526).

Almost surely, 2^{105550221017051} is an apocalyptic number.

105550221017051 is a deficient number, since it is larger than the sum of its proper divisors (1).

105550221017051 is an equidigital number, since it uses as much as digits as its factorization.

105550221017051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17500, while the sum is 35.

The spelling of 105550221017051 in words is "one hundred five trillion, five hundred fifty billion, two hundred twenty-one million, seventeen thousand, fifty-one".