220241101 has 2 divisors, whose sum is σ = 220241102. Its totient is φ = 220241100.

The previous prime is 220241039. The next prime is 220241113. The reversal of 220241101 is 101142022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115670025 + 104571076 = 10755^2 + 10226^2 .

It is a cyclic number.

It is not a de Polignac number, because 220241101 - 2⁷ = 220240973 is a prime.

It is a super-2 number, since 2×220241101² = 97012285139384402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220248101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110120550 + 110120551.

It is an arithmetic number, because the mean of its divisors is an integer number (110120551).

Almost surely, 2^220241101 is an apocalyptic number.

It is an amenable number.

220241101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220241101 is an equidigital number, since it uses as much as digits as its factorization.

220241101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 220241101 is about 14840.5222616996. The cubic root of 220241101 is about 603.9015206093.

Adding to 220241101 its reverse (101142022), we get a palindrome (321383123).

The spelling of 220241101 in words is "two hundred twenty million, two hundred forty-one thousand, one hundred one".