101323221 has 8 divisors (see below), whose sum is σ = 139455744. Its totient is φ = 65369760.

The previous prime is 101323217. The next prime is 101323223. The reversal of 101323221 is 122323101.

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

It is not a de Polignac number, because 101323221 - 2² = 101323217 is a prime.

It is a super-2 number, since 2×101323221² = 20532790227629682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101323221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101323223) 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, 544656 + ... + 544841.

It is an arithmetic number, because the mean of its divisors is an integer number (17431968).

Almost surely, 2^101323221 is an apocalyptic number.

It is an amenable number.

101323221 is a deficient number, since it is larger than the sum of its proper divisors (38132523).

101323221 is a wasteful number, since it uses less digits than its factorization.

101323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089531.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 101323221 is about 10065.9436219363. The cubic root of 101323221 is about 466.1972017446.

Adding to 101323221 its reverse (122323101), we get a palindrome (223646322).

It can be divided in two parts, 10 and 1323221, that added together give a palindrome (1323231).

The spelling of 101323221 in words is "one hundred one million, three hundred twenty-three thousand, two hundred twenty-one".