11220199 has 2 divisors, whose sum is σ = 11220200. Its totient is φ = 11220198.

The previous prime is 11220197. The next prime is 11220211. The reversal of 11220199 is 99102211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11220199 - 2¹ = 11220197 is a prime.

It is a super-3 number, since 3×11220199³ (a number of 22 digits) contains 333 as substring.

Together with 11220197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610099 + 5610100.

It is an arithmetic number, because the mean of its divisors is an integer number (5610100).

Almost surely, 2^11220199 is an apocalyptic number.

11220199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220199 is an equidigital number, since it uses as much as digits as its factorization.

11220199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 11220199 is about 3349.6565495585. The cubic root of 11220199 is about 223.8722100084.

The spelling of 11220199 in words is "eleven million, two hundred twenty thousand, one hundred ninety-nine".