10101110321 has 4 divisors (see below), whose sum is σ = 10449424500. Its totient is φ = 9752796144.

The previous prime is 10101110317. The next prime is 10101110323. The reversal of 10101110321 is 12301110101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1936000000 + 8165110321 = 44000^2 + 90361^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101110321 - 2² = 10101110317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101110323) 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, 174157046 + ... + 174157103.

It is an arithmetic number, because the mean of its divisors is an integer number (2612356125).

Almost surely, 2^10101110321 is an apocalyptic number.

It is an amenable number.

10101110321 is a deficient number, since it is larger than the sum of its proper divisors (348314179).

10101110321 is an equidigital number, since it uses as much as digits as its factorization.

10101110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348314178.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10101110321 its reverse (12301110101), we get a palindrome (22402220422).

The spelling of 10101110321 in words is "ten billion, one hundred one million, one hundred ten thousand, three hundred twenty-one".