201221201112099 has 8 divisors (see below), whose sum is σ = 306622782647040. Its totient is φ = 114983543492616.

The previous prime is 201221201112049. The next prime is 201221201112109. The reversal of 201221201112099 is 990211102122102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201221201112099 - 2¹⁷ = 201221200981027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201221201112049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4790980978839 + ... + 4790980978880.

It is an arithmetic number, because the mean of its divisors is an integer number (38327847830880).

Almost surely, 2^{201221201112099} is an apocalyptic number.

201221201112099 is a deficient number, since it is larger than the sum of its proper divisors (105401581534941).

201221201112099 is an equidigital number, since it uses as much as digits as its factorization.

201221201112099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9581961957729.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 201221201112099 in words is "two hundred one trillion, two hundred twenty-one billion, two hundred one million, one hundred twelve thousand, ninety-nine".