20221111010017 has 2 divisors, whose sum is σ = 20221111010018. Its totient is φ = 20221111010016.

The previous prime is 20221111009997. The next prime is 20221111010057. The reversal of 20221111010017 is 71001011112202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14932049368401 + 5289061641616 = 3864201^2 + 2299796^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221111010017 - 2¹¹ = 20221111007969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20221111009976 and 20221111010003.

It is not a weakly prime, because it can be changed into another prime (20221111010057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110555505008 + 10110555505009.

It is an arithmetic number, because the mean of its divisors is an integer number (10110555505009).

Almost surely, 2^{20221111010017} is an apocalyptic number.

It is an amenable number.

20221111010017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221111010017 is an equidigital number, since it uses as much as digits as its factorization.

20221111010017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 20221111010017 its reverse (71001011112202), we get a palindrome (91222122122219).

The spelling of 20221111010017 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, ten thousand, seventeen".