10111220221201 has 24 divisors (see below), whose sum is σ = 11866905167040. Its totient is φ = 8587891693920.

The previous prime is 10111220221189. The next prime is 10111220221217. The reversal of 10111220221201 is 10212202211101.

It is not a de Polignac number, because 10111220221201 - 2¹¹ = 10111220219153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111220221301) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 42126946 + ... + 42366283.

It is an arithmetic number, because the mean of its divisors is an integer number (494454381960).

Almost surely, 2^{10111220221201} is an apocalyptic number.

10111220221201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10111220221201 is a deficient number, since it is larger than the sum of its proper divisors (1755684945839).

10111220221201 is a wasteful number, since it uses less digits than its factorization.

10111220221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84493317 (or 84493306 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10111220221201 its reverse (10212202211101), we get a palindrome (20323422432302).

The spelling of 10111220221201 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, two hundred twenty-one thousand, two hundred one".