10220111231 has 4 divisors (see below), whose sum is σ = 11149212264. Its totient is φ = 9291010200.

The previous prime is 10220111201. The next prime is 10220111233. The reversal of 10220111231 is 13211102201.

10220111231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10220111231 - 2¹⁰ = 10220110207 is a prime.

It is a super-2 number, since 2×10220111231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220111233) 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 3 ways as a sum of consecutive naturals, for example, 464550500 + ... + 464550521.

It is an arithmetic number, because the mean of its divisors is an integer number (2787303066).

Almost surely, 2^10220111231 is an apocalyptic number.

10220111231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10220111231 is a deficient number, since it is larger than the sum of its proper divisors (929101033).

10220111231 is an equidigital number, since it uses as much as digits as its factorization.

10220111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929101032.

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

Adding to 10220111231 its reverse (13211102201), we get a palindrome (23431213432).

The spelling of 10220111231 in words is "ten billion, two hundred twenty million, one hundred eleven thousand, two hundred thirty-one".