221112310199999 has 16 divisors (see below), whose sum is σ = 222438612195072. Its totient is φ = 219789270928128.

The previous prime is 221112310199953. The next prime is 221112310200139. The reversal of 221112310199999 is 999991013211122.

It is a cyclic number.

It is not a de Polignac number, because 221112310199999 - 2²⁰ = 221112309151423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112310190999) 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, 4555892537 + ... + 4555941069.

It is an arithmetic number, because the mean of its divisors is an integer number (13902413262192).

Almost surely, 2^{221112310199999} is an apocalyptic number.

221112310199999 is a deficient number, since it is larger than the sum of its proper divisors (1326301995073).

221112310199999 is a wasteful number, since it uses less digits than its factorization.

221112310199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81586.

The product of its (nonzero) digits is 1417176, while the sum is 59.

The spelling of 221112310199999 in words is "two hundred twenty-one trillion, one hundred twelve billion, three hundred ten million, one hundred ninety-nine thousand, nine hundred ninety-nine".