360111223421 has 2 divisors, whose sum is σ = 360111223422. Its totient is φ = 360111223420.

The previous prime is 360111223403. The next prime is 360111223429. The reversal of 360111223421 is 124322111063.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288142430521 + 71968792900 = 536789^2 + 268270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-360111223421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (360111223429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180055611710 + 180055611711.

It is an arithmetic number, because the mean of its divisors is an integer number (180055611711).

Almost surely, 2^360111223421 is an apocalyptic number.

It is an amenable number.

360111223421 is a deficient number, since it is larger than the sum of its proper divisors (1).

360111223421 is an equidigital number, since it uses as much as digits as its factorization.

360111223421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 360111223421 its reverse (124322111063), we get a palindrome (484433334484).

The spelling of 360111223421 in words is "three hundred sixty billion, one hundred eleven million, two hundred twenty-three thousand, four hundred twenty-one".