10112303021 has 4 divisors (see below), whose sum is σ = 10113067932. Its totient is φ = 10111538112.

The previous prime is 10112303009. The next prime is 10112303023. The reversal of 10112303021 is 12030321101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9523027396 + 589275625 = 97586^2 + 24275^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112303021 - 2³⁰ = 9038561197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10112302987 and 10112303005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112303023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362270 + ... + 389183.

It is an arithmetic number, because the mean of its divisors is an integer number (2528266983).

Almost surely, 2^10112303021 is an apocalyptic number.

It is an amenable number.

10112303021 is a deficient number, since it is larger than the sum of its proper divisors (764911).

10112303021 is an equidigital number, since it uses as much as digits as its factorization.

10112303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764910.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10112303021 its reverse (12030321101), we get a palindrome (22142624122).

It can be divided in two parts, 1011 and 2303021, that added together give a palindrome (2304032).

The spelling of 10112303021 in words is "ten billion, one hundred twelve million, three hundred three thousand, twenty-one".