2220100111217 has 2 divisors, whose sum is σ = 2220100111218. Its totient is φ = 2220100111216.

The previous prime is 2220100111181. The next prime is 2220100111259. The reversal of 2220100111217 is 7121110010222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2197794390016 + 22305721201 = 1482496^2 + 149351^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220100111217 - 2⁶ = 2220100111153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220100111267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110050055608 + 1110050055609.

It is an arithmetic number, because the mean of its divisors is an integer number (1110050055609).

Almost surely, 2^{2220100111217} is an apocalyptic number.

It is an amenable number.

2220100111217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220100111217 is an equidigital number, since it uses as much as digits as its factorization.

2220100111217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 2220100111217 its reverse (7121110010222), we get a palindrome (9341210121439).

The spelling of 2220100111217 in words is "two trillion, two hundred twenty billion, one hundred million, one hundred eleven thousand, two hundred seventeen".