221100222099 has 16 divisors (see below), whose sum is σ = 304324557824. Its totient is φ = 142638472800.

The previous prime is 221100222073. The next prime is 221100222107. The reversal of 221100222099 is 990222001122.

It is a de Polignac number, because none of the positive numbers 2^k-221100222099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221100222019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2518152 + ... + 2604474.

It is an arithmetic number, because the mean of its divisors is an integer number (19020284864).

Almost surely, 2^221100222099 is an apocalyptic number.

221100222099 is a deficient number, since it is larger than the sum of its proper divisors (83224335725).

221100222099 is a wasteful number, since it uses less digits than its factorization.

221100222099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113898.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 221100222099 in words is "two hundred twenty-one billion, one hundred million, two hundred twenty-two thousand, ninety-nine".