101123221231 has 8 divisors (see below), whose sum is σ = 101450338704. Its totient is φ = 100796629440.

The previous prime is 101123221187. The next prime is 101123221237. The reversal of 101123221231 is 132122321101.

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 101123221231 - 2¹⁹ = 101122696943 is a prime.

It is a super-2 number, since 2×101123221231² (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 = 101123221199 and 101123221208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123221237) 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, 255771 + ... + 517363.

It is an arithmetic number, because the mean of its divisors is an integer number (12681292338).

Almost surely, 2^101123221231 is an apocalyptic number.

101123221231 is a deficient number, since it is larger than the sum of its proper divisors (327117473).

101123221231 is an equidigital number, since it uses as much as digits as its factorization.

101123221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262841.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101123221231 its reverse (132122321101), we get a palindrome (233245542332).

The spelling of 101123221231 in words is "one hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty-one".