210221119 has 2 divisors, whose sum is σ = 210221120. Its totient is φ = 210221118.

The previous prime is 210221107. The next prime is 210221153. The reversal of 210221119 is 911122012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210221119 - 2⁷ = 210220991 is a prime.

It is a super-2 number, since 2×210221119² = 88385837747224322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210221096 and 210221105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210221519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110559 + 105110560.

It is an arithmetic number, because the mean of its divisors is an integer number (105110560).

Almost surely, 2^210221119 is an apocalyptic number.

210221119 is a deficient number, since it is larger than the sum of its proper divisors (1).

210221119 is an equidigital number, since it uses as much as digits as its factorization.

210221119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 210221119 is about 14499.0040692456. The cubic root of 210221119 is about 594.6007433790.

The spelling of 210221119 in words is "two hundred ten million, two hundred twenty-one thousand, one hundred nineteen".