221442120359 has 2 divisors, whose sum is σ = 221442120360. Its totient is φ = 221442120358.

The previous prime is 221442120287. The next prime is 221442120413. The reversal of 221442120359 is 953021244122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221442120359 is a prime.

It is a super-2 number, since 2×221442120359² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221442150359) 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, 110721060179 + 110721060180.

It is an arithmetic number, because the mean of its divisors is an integer number (110721060180).

Almost surely, 2^221442120359 is an apocalyptic number.

221442120359 is a deficient number, since it is larger than the sum of its proper divisors (1).

221442120359 is an equidigital number, since it uses as much as digits as its factorization.

221442120359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 221442120359 in words is "two hundred twenty-one billion, four hundred forty-two million, one hundred twenty thousand, three hundred fifty-nine".