10223111321 has 4 divisors (see below), whose sum is σ = 10224244944. Its totient is φ = 10221977700.

The previous prime is 10223111287. The next prime is 10223111341. The reversal of 10223111321 is 12311132201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10223111321 - 2²² = 10218917017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10223111321.

It is not an unprimeable number, because it can be changed into a prime (10223111341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553175 + ... + 571356.

It is an arithmetic number, because the mean of its divisors is an integer number (2556061236).

Almost surely, 2^10223111321 is an apocalyptic number.

It is an amenable number.

10223111321 is a deficient number, since it is larger than the sum of its proper divisors (1133623).

10223111321 is an equidigital number, since it uses as much as digits as its factorization.

10223111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133622.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10223111321 its reverse (12311132201), we get a palindrome (22534243522).

The spelling of 10223111321 in words is "ten billion, two hundred twenty-three million, one hundred eleven thousand, three hundred twenty-one".