220411091 has 2 divisors, whose sum is σ = 220411092. Its totient is φ = 220411090.

The previous prime is 220411073. The next prime is 220411097. The reversal of 220411091 is 190114022.

220411091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220411091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (220411097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110205545 + 110205546.

It is an arithmetic number, because the mean of its divisors is an integer number (110205546).

Almost surely, 2^220411091 is an apocalyptic number.

220411091 is a deficient number, since it is larger than the sum of its proper divisors (1).

220411091 is an equidigital number, since it uses as much as digits as its factorization.

220411091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 220411091 is about 14846.2483813252. The cubic root of 220411091 is about 604.0568516213.

It can be divided in two parts, 22041 and 1091, that added together give a palindrome (23132).

The spelling of 220411091 in words is "two hundred twenty million, four hundred eleven thousand, ninety-one".