111200220073 has 2 divisors, whose sum is σ = 111200220074. Its totient is φ = 111200220072.

The previous prime is 111200220067. The next prime is 111200220091. The reversal of 111200220073 is 370022002111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87813246889 + 23386973184 = 296333^2 + 152928^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200220073 - 2⁵ = 111200220041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111200220073.

It is not a weakly prime, because it can be changed into another prime (111200220013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600110036 + 55600110037.

It is an arithmetic number, because the mean of its divisors is an integer number (55600110037).

Almost surely, 2^111200220073 is an apocalyptic number.

It is an amenable number.

111200220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200220073 is an equidigital number, since it uses as much as digits as its factorization.

111200220073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 111200220073 its reverse (370022002111), we get a palindrome (481222222184).

The spelling of 111200220073 in words is "one hundred eleven billion, two hundred million, two hundred twenty thousand, seventy-three".