221412496015127 has 2 divisors, whose sum is σ = 221412496015128. Its totient is φ = 221412496015126.

The previous prime is 221412496015079. The next prime is 221412496015141. The reversal of 221412496015127 is 721510694214122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221412496015127 - 2³⁴ = 221395316145943 is a prime.

It is a super-2 number, since 2×221412496015127² (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 (221412496015147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110706248007563 + 110706248007564.

It is an arithmetic number, because the mean of its divisors is an integer number (110706248007564).

Almost surely, 2^{221412496015127} is an apocalyptic number.

221412496015127 is a deficient number, since it is larger than the sum of its proper divisors (1).

221412496015127 is an equidigital number, since it uses as much as digits as its factorization.

221412496015127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 221412496015127 in words is "two hundred twenty-one trillion, four hundred twelve billion, four hundred ninety-six million, fifteen thousand, one hundred twenty-seven".