220541011 has 2 divisors, whose sum is σ = 220541012. Its totient is φ = 220541010.

The previous prime is 220540993. The next prime is 220541033. The reversal of 220541011 is 110145022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220541011 - 2⁹ = 220540499 is a prime.

It is not a weakly prime, because it can be changed into another prime (220541081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110270505 + 110270506.

It is an arithmetic number, because the mean of its divisors is an integer number (110270506).

Almost surely, 2^220541011 is an apocalyptic number.

220541011 is a deficient number, since it is larger than the sum of its proper divisors (1).

220541011 is an equidigital number, since it uses as much as digits as its factorization.

220541011 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 220541011 is about 14850.6232529143. The cubic root of 220541011 is about 604.1755142094.

Adding to 220541011 its reverse (110145022), we get a palindrome (330686033).

The spelling of 220541011 in words is "two hundred twenty million, five hundred forty-one thousand, eleven".