2216101 has 2 divisors, whose sum is σ = 2216102. Its totient is φ = 2216100.

The previous prime is 2216087. The next prime is 2216113. The reversal of 2216101 is 1016122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1560001 + 656100 = 1249^2 + 810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216101 is a prime.

It is a super-2 number, since 2×2216101² = 9822207284402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108050 + 1108051.

It is an arithmetic number, because the mean of its divisors is an integer number (1108051).

2^2216101 is an apocalyptic number.

It is an amenable number.

2216101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216101 is an equidigital number, since it uses as much as digits as its factorization.

2216101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2216101 is about 1488.6574488444. The cubic root of 2216101 is about 130.3756589806.

The spelling of 2216101 in words is "two million, two hundred sixteen thousand, one hundred one".