10221111223 has 8 divisors (see below), whose sum is σ = 10606121856. Its totient is φ = 9842796600.

The previous prime is 10221111203. The next prime is 10221111227. The reversal of 10221111223 is 32211112201.

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 10221111223 - 2⁵ = 10221111191 is a prime.

It is a super-2 number, since 2×10221111223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221111197 and 10221111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221111227) 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, 1670893 + ... + 1676998.

It is an arithmetic number, because the mean of its divisors is an integer number (1325765232).

Almost surely, 2^10221111223 is an apocalyptic number.

10221111223 is a deficient number, since it is larger than the sum of its proper divisors (385010633).

10221111223 is an equidigital number, since it uses as much as digits as its factorization.

10221111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348005.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10221111223 its reverse (32211112201), we get a palindrome (42432223424).

The spelling of 10221111223 in words is "ten billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-three".