221192127743 has 2 divisors, whose sum is σ = 221192127744. Its totient is φ = 221192127742.

The previous prime is 221192127691. The next prime is 221192127781. The reversal of 221192127743 is 347721291122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221192127743 - 2⁶ = 221192127679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221192127743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221192117743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110596063871 + 110596063872.

It is an arithmetic number, because the mean of its divisors is an integer number (110596063872).

Almost surely, 2^221192127743 is an apocalyptic number.

221192127743 is a deficient number, since it is larger than the sum of its proper divisors (1).

221192127743 is an equidigital number, since it uses as much as digits as its factorization.

221192127743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The spelling of 221192127743 in words is "two hundred twenty-one billion, one hundred ninety-two million, one hundred twenty-seven thousand, seven hundred forty-three".