10021011223 has 4 divisors (see below), whose sum is σ = 10022866560. Its totient is φ = 10019155888.

The previous prime is 10021011191. The next prime is 10021011227. The reversal of 10021011223 is 32211012001.

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 10021011223 - 2⁵ = 10021011191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021011227) 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, 919543 + ... + 930376.

It is an arithmetic number, because the mean of its divisors is an integer number (2505716640).

Almost surely, 2^10021011223 is an apocalyptic number.

10021011223 is a deficient number, since it is larger than the sum of its proper divisors (1855337).

10021011223 is an equidigital number, since it uses as much as digits as its factorization.

10021011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855336.

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

Adding to 10021011223 its reverse (32211012001), we get a palindrome (42232023224).

The spelling of 10021011223 in words is "ten billion, twenty-one million, eleven thousand, two hundred twenty-three".