10221123331 has 8 divisors (see below), whose sum is σ = 10472931504. Its totient is φ = 9969434880.

The previous prime is 10221123271. The next prime is 10221123343. The reversal of 10221123331 is 13332112201.

10221123331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10221123331 - 2¹⁵ = 10221090563 is a prime.

It is a super-2 number, since 2×10221123331² (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 = 10221123299 and 10221123308.

It is not an unprimeable number, because it can be changed into a prime (10221121331) 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 7 ways as a sum of consecutive naturals, for example, 157131 + ... + 212443.

It is an arithmetic number, because the mean of its divisors is an integer number (1309116438).

Almost surely, 2^10221123331 is an apocalyptic number.

10221123331 is a deficient number, since it is larger than the sum of its proper divisors (251808173).

10221123331 is an equidigital number, since it uses as much as digits as its factorization.

10221123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59861.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10221123331 its reverse (13332112201), we get a palindrome (23553235532).

The spelling of 10221123331 in words is "ten billion, two hundred twenty-one million, one hundred twenty-three thousand, three hundred thirty-one".