101299 has 4 divisors (see below), whose sum is σ = 110520. Its totient is φ = 92080.

The previous prime is 101293. The next prime is 101323. The reversal of 101299 is 992101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992101 = 11 ⋅90191.

It is a cyclic number.

It is not a de Polignac number, because 101299 - 2⁵ = 101267 is a prime.

It is a super-2 number, since 2×101299² = 20522974802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101293) 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, 4594 + ... + 4615.

It is an arithmetic number, because the mean of its divisors is an integer number (27630).

101299 is a Friedman number, since it can be written as 9209*11, using all its digits and the basic arithmetic operations.

2¹⁰¹²⁹⁹ is an apocalyptic number.

101299 is a deficient number, since it is larger than the sum of its proper divisors (9221).

101299 is an equidigital number, since it uses as much as digits as its factorization.

101299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 101299 is about 318.2750382924. The cubic root of 101299 is about 46.6160051122.

It can be divided in two parts, 1012 and 99, that added together give a palindrome (1111).

The spelling of 101299 in words is "one hundred one thousand, two hundred ninety-nine".