122221100099 has 4 divisors (see below), whose sum is σ = 139681257264. Its totient is φ = 104760942936.

The previous prime is 122221100093. The next prime is 122221100137. The reversal of 122221100099 is 990001122221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122221100099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221100093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8730078572 + ... + 8730078585.

It is an arithmetic number, because the mean of its divisors is an integer number (34920314316).

Almost surely, 2^122221100099 is an apocalyptic number.

122221100099 is a deficient number, since it is larger than the sum of its proper divisors (17460157165).

122221100099 is an equidigital number, since it uses as much as digits as its factorization.

122221100099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17460157164.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 122221100099 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred thousand, ninety-nine".