20113222099 has 4 divisors (see below), whose sum is σ = 20197378080. Its totient is φ = 20029066120.

The previous prime is 20113222097. The next prime is 20113222117. The reversal of 20113222099 is 99022231102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99022231102 = 2 ⋅49511115551.

It is a cyclic number.

It is not a de Polignac number, because 20113222099 - 2¹ = 20113222097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20113222099.

It is not an unprimeable number, because it can be changed into a prime (20113222097) 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, 42077632 + ... + 42078109.

It is an arithmetic number, because the mean of its divisors is an integer number (5049344520).

Almost surely, 2^20113222099 is an apocalyptic number.

20113222099 is a deficient number, since it is larger than the sum of its proper divisors (84155981).

20113222099 is an equidigital number, since it uses as much as digits as its factorization.

20113222099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84155980.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 20113222099 in words is "twenty billion, one hundred thirteen million, two hundred twenty-two thousand, ninety-nine".