10101321 has 8 divisors (see below), whose sum is σ = 14964960. Its totient is φ = 6734196.

The previous prime is 10101317. The next prime is 10101341. The reversal of 10101321 is 12310101.

It is not a de Polignac number, because 10101321 - 2² = 10101317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10101341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187035 + ... + 187088.

It is an arithmetic number, because the mean of its divisors is an integer number (1870620).

Almost surely, 2^10101321 is an apocalyptic number.

It is an amenable number.

10101321 is a deficient number, since it is larger than the sum of its proper divisors (4863639).

10101321 is an equidigital number, since it uses as much as digits as its factorization.

10101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374132 (or 374126 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 10101321 is about 3178.2575414840. The cubic root of 10101321 is about 216.1686568555.

Adding to 10101321 its reverse (12310101), we get a palindrome (22411422).

The spelling of 10101321 in words is "ten million, one hundred one thousand, three hundred twenty-one".