104220511 has 2 divisors, whose sum is σ = 104220512. Its totient is φ = 104220510.

The previous prime is 104220509. The next prime is 104220517. The reversal of 104220511 is 115022401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104220511 - 2¹ = 104220509 is a prime.

It is a super-2 number, since 2×104220511² = 21723829826202242, which contains 22 as substring.

Together with 104220509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104220517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52110255 + 52110256.

It is an arithmetic number, because the mean of its divisors is an integer number (52110256).

Almost surely, 2^104220511 is an apocalyptic number.

104220511 is a deficient number, since it is larger than the sum of its proper divisors (1).

104220511 is an equidigital number, since it uses as much as digits as its factorization.

104220511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 104220511 is about 10208.8447436524. The cubic root of 104220511 is about 470.5990716080.

Adding to 104220511 its reverse (115022401), we get a palindrome (219242912).

The spelling of 104220511 in words is "one hundred four million, two hundred twenty thousand, five hundred eleven".