220011022101217 has 2 divisors, whose sum is σ = 220011022101218. Its totient is φ = 220011022101216.

The previous prime is 220011022101173. The next prime is 220011022101251. The reversal of 220011022101217 is 712101220110022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160686274611681 + 59324747489536 = 12676209^2 + 7702256^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011022101217 - 2⁴³ = 211214929079009 is a prime.

It is not a weakly prime, because it can be changed into another prime (220011022101317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005511050608 + 110005511050609.

It is an arithmetic number, because the mean of its divisors is an integer number (110005511050609).

Almost surely, 2^{220011022101217} is an apocalyptic number.

It is an amenable number.

220011022101217 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011022101217 is an equidigital number, since it uses as much as digits as its factorization.

220011022101217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 220011022101217 its reverse (712101220110022), we get a palindrome (932112242211239).

The spelling of 220011022101217 in words is "two hundred twenty trillion, eleven billion, twenty-two million, one hundred one thousand, two hundred seventeen".