221103123299 has 4 divisors (see below), whose sum is σ = 228727368960. Its totient is φ = 213478877640.

The previous prime is 221103123281. The next prime is 221103123317. The reversal of 221103123299 is 992321301122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992321301122 = 2 ⋅496160650561.

It is an interprime number because it is at equal distance from previous prime (221103123281) and next prime (221103123317).

It is a cyclic number.

It is not a de Polignac number, because 221103123299 - 2²⁴ = 221086346083 is a prime.

It is a super-2 number, since 2×221103123299² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221103123239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812122787 + ... + 3812122844.

It is an arithmetic number, because the mean of its divisors is an integer number (57181842240).

Almost surely, 2^221103123299 is an apocalyptic number.

221103123299 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

221103123299 is a deficient number, since it is larger than the sum of its proper divisors (7624245661).

221103123299 is an equidigital number, since it uses as much as digits as its factorization.

221103123299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624245660.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 221103123299 in words is "two hundred twenty-one billion, one hundred three million, one hundred twenty-three thousand, two hundred ninety-nine".