1001112200221 has 12 divisors (see below), whose sum is σ = 1168987086432. Its totient is φ = 854833437528.

The previous prime is 1001112200191. The next prime is 1001112200239. The reversal of 1001112200221 is 1220022111001.

It is not a de Polignac number, because 1001112200221 - 2¹⁷ = 1001112069149 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 (1001112230221) 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 11 ways as a sum of consecutive naturals, for example, 38829055 + ... + 38854828.

It is an arithmetic number, because the mean of its divisors is an integer number (97415590536).

Almost surely, 2^{1001112200221} is an apocalyptic number.

It is an amenable number.

1001112200221 is a deficient number, since it is larger than the sum of its proper divisors (167874886211).

1001112200221 is an equidigital number, since it uses as much as digits as its factorization.

1001112200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77684160 (or 77684153 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001112200221 its reverse (1220022111001), we get a palindrome (2221134311222).

The spelling of 1001112200221 in words is "one trillion, one billion, one hundred twelve million, two hundred thousand, two hundred twenty-one".