10111321 has 8 divisors (see below), whose sum is σ = 11287584. Its totient is φ = 8977920.

The previous prime is 10111291. The next prime is 10111327. The reversal of 10111321 is 12311101.

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 10111321 - 2¹⁷ = 9980249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10111298 and 10111307.

It is not an unprimeable number, because it can be changed into a prime (10111327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10216 + ... + 11161.

It is an arithmetic number, because the mean of its divisors is an integer number (1410948).

Almost surely, 2^10111321 is an apocalyptic number.

10111321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10111321 is a deficient number, since it is larger than the sum of its proper divisors (1176263).

10111321 is a wasteful number, since it uses less digits than its factorization.

10111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 10111321 is about 3179.8303413862. The cubic root of 10111321 is about 216.2399667903.

Adding to 10111321 its reverse (12311101), we get a palindrome (22422422).

It can be divided in two parts, 1011 and 1321, that added together give a palindrome (2332).

The spelling of 10111321 in words is "ten million, one hundred eleven thousand, three hundred twenty-one".