111022219013 has 2 divisors, whose sum is σ = 111022219014. Its totient is φ = 111022219012.

The previous prime is 111022219003. The next prime is 111022219037. The reversal of 111022219013 is 310912220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67871712484 + 43150506529 = 260522^2 + 207727^2 .

It is an emirp because it is prime and its reverse (310912220111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111022219013 - 2¹² = 111022214917 is a prime.

It is a super-2 number, since 2×111022219013² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111022219013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111022219003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511109506 + 55511109507.

It is an arithmetic number, because the mean of its divisors is an integer number (55511109507).

Almost surely, 2^111022219013 is an apocalyptic number.

It is an amenable number.

111022219013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022219013 is an equidigital number, since it uses as much as digits as its factorization.

111022219013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 111022219013 its reverse (310912220111), we get a palindrome (421934439124).

The spelling of 111022219013 in words is "one hundred eleven billion, twenty-two million, two hundred nineteen thousand, thirteen".