2101243312231 has 8 divisors (see below), whose sum is σ = 2484228546720. Its totient is φ = 1738959982368.

The previous prime is 2101243312211. The next prime is 2101243312247. The reversal of 2101243312231 is 1322133421012.

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

It is not a de Polignac number, because 2101243312231 - 2²⁹ = 2100706441319 is a prime.

It is a super-2 number, since 2×2101243312231² (a number of 25 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 = 2101243312196 and 2101243312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101243312211) 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, 5175475936 + ... + 5175476341.

It is an arithmetic number, because the mean of its divisors is an integer number (310528568340).

Almost surely, 2^{2101243312231} is an apocalyptic number.

2101243312231 is a deficient number, since it is larger than the sum of its proper divisors (382985234489).

2101243312231 is a wasteful number, since it uses less digits than its factorization.

2101243312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10350952313.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 2101243312231 its reverse (1322133421012), we get a palindrome (3423376733243).

The spelling of 2101243312231 in words is "two trillion, one hundred one billion, two hundred forty-three million, three hundred twelve thousand, two hundred thirty-one".