2221111220099 has 4 divisors (see below), whose sum is σ = 2243102420400. Its totient is φ = 2199120019800.

The previous prime is 2221111220093. The next prime is 2221111220161. The reversal of 2221111220099 is 9900221111222.

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-2221111220099 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2221111220093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10995599999 + ... + 10995600200.

It is an arithmetic number, because the mean of its divisors is an integer number (560775605100).

Almost surely, 2^{2221111220099} is an apocalyptic number.

2221111220099 is a deficient number, since it is larger than the sum of its proper divisors (21991200301).

2221111220099 is a wasteful number, since it uses less digits than its factorization.

2221111220099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21991200300.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 2221111220099 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred twenty thousand, ninety-nine".