10111203221 has 8 divisors (see below), whose sum is σ = 11588774400. Its totient is φ = 8641910448.

The previous prime is 10111203199. The next prime is 10111203241. The reversal of 10111203221 is 12230211101.

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 10111203221 - 2¹⁰ = 10111202197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10111203196 and 10111203205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111203241) 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, 2066981 + ... + 2071866.

It is an arithmetic number, because the mean of its divisors is an integer number (1448596800).

Almost surely, 2^10111203221 is an apocalyptic number.

It is an amenable number.

10111203221 is a deficient number, since it is larger than the sum of its proper divisors (1477571179).

10111203221 is an equidigital number, since it uses as much as digits as its factorization.

10111203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139203.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10111203221 its reverse (12230211101), we get a palindrome (22341414322).

The spelling of 10111203221 in words is "ten billion, one hundred eleven million, two hundred three thousand, two hundred twenty-one".