10111222321 has 4 divisors (see below), whose sum is σ = 10209389632. Its totient is φ = 10013055012.

The previous prime is 10111222313. The next prime is 10111222327. The reversal of 10111222321 is 12322211101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12322211101 = 35803 ⋅344167.

It is a cyclic number.

It is not a de Polignac number, because 10111222321 - 2³ = 10111222313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111222295 and 10111222304.

It is not an unprimeable number, because it can be changed into a prime (10111222327) 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, 49083501 + ... + 49083706.

It is an arithmetic number, because the mean of its divisors is an integer number (2552347408).

Almost surely, 2^10111222321 is an apocalyptic number.

It is an amenable number.

10111222321 is a deficient number, since it is larger than the sum of its proper divisors (98167311).

10111222321 is an equidigital number, since it uses as much as digits as its factorization.

10111222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98167310.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10111222321 its reverse (12322211101), we get a palindrome (22433433422).

The spelling of 10111222321 in words is "ten billion, one hundred eleven million, two hundred twenty-two thousand, three hundred twenty-one".