201022211017 has 2 divisors, whose sum is σ = 201022211018. Its totient is φ = 201022211016.

The previous prime is 201022210889. The next prime is 201022211041. The reversal of 201022211017 is 710112220102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127778366521 + 73243844496 = 357461^2 + 270636^2 .

It is a cyclic number.

It is not a de Polignac number, because 201022211017 - 2⁷ = 201022210889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201022210985 and 201022211003.

It is not a weakly prime, because it can be changed into another prime (201022217017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511105508 + 100511105509.

It is an arithmetic number, because the mean of its divisors is an integer number (100511105509).

Almost surely, 2^201022211017 is an apocalyptic number.

It is an amenable number.

201022211017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201022211017 is an equidigital number, since it uses as much as digits as its factorization.

201022211017 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 19.

Adding to 201022211017 its reverse (710112220102), we get a palindrome (911134431119).

The spelling of 201022211017 in words is "two hundred one billion, twenty-two million, two hundred eleven thousand, seventeen".