10220320111 has 4 divisors (see below), whose sum is σ = 10226445400. Its totient is φ = 10214194824.

The previous prime is 10220320087. The next prime is 10220320133. The reversal of 10220320111 is 11102302201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220320111 is a prime.

It is a super-2 number, since 2×10220320111² (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 = 10220320091 and 10220320100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220320511) 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 3 ways as a sum of consecutive naturals, for example, 3060141 + ... + 3063478.

It is an arithmetic number, because the mean of its divisors is an integer number (2556611350).

Almost surely, 2^10220320111 is an apocalyptic number.

10220320111 is a deficient number, since it is larger than the sum of its proper divisors (6125289).

10220320111 is an equidigital number, since it uses as much as digits as its factorization.

10220320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125288.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10220320111 its reverse (11102302201), we get a palindrome (21322622312).

The spelling of 10220320111 in words is "ten billion, two hundred twenty million, three hundred twenty thousand, one hundred eleven".