221011202022112 has 12 divisors (see below), whose sum is σ = 435115803981096. Its totient is φ = 110505601011040.

The previous prime is 221011202022059. The next prime is 221011202022151. The reversal of 221011202022112 is 211220202110122.

It is a self number, because there is not a number n which added to its sum of digits gives 221011202022112.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3453300031564 + ... + 3453300031627.

It is an arithmetic number, because the mean of its divisors is an integer number (36259650331758).

Almost surely, 2^{221011202022112} is an apocalyptic number.

It is an amenable number.

221011202022112 is a deficient number, since it is larger than the sum of its proper divisors (214104601958984).

221011202022112 is an equidigital number, since it uses as much as digits as its factorization.

221011202022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906600063201 (or 6906600063193 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221011202022112 its reverse (211220202110122), we get a palindrome (432231404132234).

The spelling of 221011202022112 in words is "two hundred twenty-one trillion, eleven billion, two hundred two million, twenty-two thousand, one hundred twelve".