101221336231 has 8 divisors (see below), whose sum is σ = 108008348720. Its totient is φ = 94580281152.

The previous prime is 101221336219. The next prime is 101221336247. The reversal of 101221336231 is 132633122101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101221336231 - 2¹⁹ = 101220811943 is a prime.

It is a super-2 number, since 2×101221336231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101221336196 and 101221336205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221336201) 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, 36487920 + ... + 36490693.

It is an arithmetic number, because the mean of its divisors is an integer number (13501043590).

Almost surely, 2^101221336231 is an apocalyptic number.

101221336231 is a deficient number, since it is larger than the sum of its proper divisors (6787012489).

101221336231 is an equidigital number, since it uses as much as digits as its factorization.

101221336231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72978705.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 101221336231 its reverse (132633122101), we get a palindrome (233854458332).

The spelling of 101221336231 in words is "one hundred one billion, two hundred twenty-one million, three hundred thirty-six thousand, two hundred thirty-one".