221195805153703 has 2 divisors, whose sum is σ = 221195805153704. Its totient is φ = 221195805153702.

The previous prime is 221195805153679. The next prime is 221195805153769. The reversal of 221195805153703 is 307351508591122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221195805153703 is a prime.

It is a super-2 number, since 2×221195805153703² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221195805153403) 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, 110597902576851 + 110597902576852.

It is an arithmetic number, because the mean of its divisors is an integer number (110597902576852).

Almost surely, 2^{221195805153703} is an apocalyptic number.

221195805153703 is a deficient number, since it is larger than the sum of its proper divisors (1).

221195805153703 is an equidigital number, since it uses as much as digits as its factorization.

221195805153703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 221195805153703 in words is "two hundred twenty-one trillion, one hundred ninety-five billion, eight hundred five million, one hundred fifty-three thousand, seven hundred three".