101213 has 8 divisors (see below), whose sum is σ = 121920. Its totient is φ = 82080.

The previous prime is 101209. The next prime is 101221. The reversal of 101213 is 312101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101213 - 2² = 101209 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 101213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101203) 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, 248 + ... + 513.

It is an arithmetic number, because the mean of its divisors is an integer number (15240).

2¹⁰¹²¹³ is an apocalyptic number.

It is an amenable number.

101213 is a deficient number, since it is larger than the sum of its proper divisors (20707).

101213 is an equidigital number, since it uses as much as digits as its factorization.

101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 101213 is about 318.1399063305. The cubic root of 101213 is about 46.6028094851.

Adding to 101213 its reverse (312101), we get a palindrome (413314).

The spelling of 101213 in words is "one hundred one thousand, two hundred thirteen".