10111200201221 has 8 divisors (see below), whose sum is σ = 11555680919040. Its totient is φ = 8666725369968.

The previous prime is 10111200201199. The next prime is 10111200201227. The reversal of 10111200201221 is 12210200211101.

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

It is a cyclic number.

It is not a de Polignac number, because 10111200201221 - 2⁴² = 5713153690117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111200201196 and 10111200201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111200201227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3196115 + ... + 5517023.

It is an arithmetic number, because the mean of its divisors is an integer number (1444460114880).

Almost surely, 2^{10111200201221} is an apocalyptic number.

It is an amenable number.

10111200201221 is a deficient number, since it is larger than the sum of its proper divisors (1444480717819).

10111200201221 is an equidigital number, since it uses as much as digits as its factorization.

10111200201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943283.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10111200201221 its reverse (12210200211101), we get a palindrome (22321400412322).

The spelling of 10111200201221 in words is "ten trillion, one hundred eleven billion, two hundred million, two hundred one thousand, two hundred twenty-one".